Complexity Digest 2006.08

20-Feb-2006

For individual e-mail subscriptions go to Subscriptions.
Previous issue 2006.07 | Next issue 2006.09

Content

  1. Emergence Explained, arXiv
    1. Measuring Emergence in the Dynamics of New Venture Creation, Journal of Business Venturing
    2. Local Activity Is The Origin Of Complexity, Int. J. Bifur. & Chaos
  2. On Making the Right Choice: The Deliberation-Without-Attention Effect, Science
    1. Causal Reasoning in Rats, Science
  3. Segway Creator Unveils His Next Act, Business 2.0
  4. How The Brain Interprets The Intent Of Others, ScienceDaily
  5. Education Systems Have Little Impact On Social Mobility, Innovations-report
    1. Prestige is Factored into Journal Ratings, News@Nature
  6. Web Program Simplifies Artificial Gene Design, New Scientist
  7. The Opposite of Doping, Wired
    1. Get Ready For 24-Hour Living, New Scientist
  8. Loud Music Worsens Effects Of Taking Ecstasy, Innovations-report
    1. Rats at a Rave, Science Now
    2. Smoking Out Addiction Genes, Science Now
    3. Outsmarting Pavlov's Dogs, Science Now
  9. Developmental Biology: Two Paths To Silence Merge, Nature
    1. A Bottom-Up Approach To Gene Regulation, Nature
    2. Genetics: Copies Count, Nature
  10. Neuroscience: Sumo Wrestles The Synapse, Science
  11. Stem Cells May Be Key to Cancer, NY Times
  12. Thai Dogs Carry Bird-Flu Virus, But Will They Spread It?, Nature
    1. Flora Horror - Hospitals Struggle With A Serious New Gut Microbe, Science News
    2. Engineering Nerve Jumper Cables For Spinal Cord Repair, U of Pennsylvania School of Medicine News Release
  13. Who Needs Dark Energy?, Science
    1. Cosmic Monsters Everywhere, Science Now
    2. Top Stars Picked In Alien Search, BBC News
    3. Hot Soup Not So Tasty for Early Life, Science Now
  14. Virtual Globes: The Web-Wide World, Nature
    1. Think Global, Nature
  15. Speed Thrills With Neural Networks, ElectronicsWeekly.com
    1. I.B.M. Researchers Find a Way to Keep Moore's Law on Pace, NY Times
  16. Calls To Conserve Biodiversity Hotspots, Nature
    1. Paleobiology: Revised Numbers Quicken The Pace Of Rebound From Mass Extinctions, Science
    2. Speed Limit Lifted on the Pace of Evolution, Science Now
    3. Invasion And The Evolution Of Speed In Toads, Nature
  17. How Plants Avoid Incest, Science Now
    1. Reproductive Social Behavior: Cooperative Games to Replace Sexual Selection, Science
  18. Global Warming Is No Sweat--for Plants, Science Now
    1. Global Change: The Water Cycle Freshens Up, Nature
    2. Earth 'On Fast Track' To Warming, BBC News
  19. Complex Challenges: Global Terrorist Network
    1. The Democracy Game, The New Yorker
    2. Congressman Says US Should Freeze Dubai Port Deal, Reuters
    3. Is Terrorism Morally Distinctive?, J. Polit. Phil.
  20. Links & Snippets
    1. Other Publications
    2. Webcast Announcements
    3. Conference Announcements
    4. Call for Papers - Course/Book Announcements
  1. Emergence Explained, arXiv Next Article Bookmark and Share

    Excerpt: Emergence (macro-level effects from micro-level causes) is at the heart of the conflict between reductionism and functionalism. How can there be autonomous higher level laws of nature (the functionalist claim) if everything can be reduced to the fundamental forces of physics (the reductionist position)? We cut through this debate by applying a computer science lens to the way we view nature. (...)
    1. Measuring Emergence in the Dynamics of New Venture Creation, Journal of Business Venturing Next Article Bookmark and Share

      Abstract: Modeling the dynamics of nascent entrepreneurship provides insight into how organizations are created. In order to study this complex phenomenon we develop a longitudinal case study and analyze it with respect to three modes of organizing: vision, strategic organizing, and tactical organizing. Multiple sources of data are used to identify changes within and across these three modes. Using longitudinal content analysis and other complexity science methods, we found a nearly simultaneous shift in all three modes, indicating a punctuation event. We define this punctuation as an “emergence event,” and provide a process model of organizational emergence showing that a shift in tactical organizing generated a shift in strategic organizing, which resulted in a shift in the vision (identity) of the firm. We conclude with some theoretical implications of our analysis.
    2. Local Activity Is The Origin Of Complexity, Int. J. Bifur. & Chaos Next Article Bookmark and Share

      Excerpts: Many scientists have struggled to uncover the elusive origin of "complexity", and its many equivalent jargons, such as emergence, self-organization, synergetics, collective behaviors, nonequilibrium phenomena, etc. They have provided some qualitative, but not quantitative, characterizations of numerous fascinating examples from many disciplines. For example, Schrdinger had identified "the exchange of energy" from open systems as a necessary condition for complexity. (...) The purpose of this paper is to show that all the jargons and issues cited above are mere manifestations of a new fundamental principle called local activity, which is mathematically precise and testable.
  2. On Making the Right Choice: The Deliberation-Without-Attention Effect, Science Next Article Bookmark and Share

    Excerpts: Contrary to conventional wisdom, it is not always advantageous to engage in thorough conscious deliberation before choosing. On the basis of recent insights into the characteristics of conscious and unconscious thought, we tested the hypothesis that simple choices (such as between different towels or different sets of oven mitts) indeed produce better results after conscious thought, but that choices in complex matters (such as between different houses or different cars) should be left to unconscious thought.
    1. Causal Reasoning in Rats, Science Next Article Bookmark and Share

      Excerpts: Empirical research with nonhuman primates appears to support the view that causal reasoning is a key cognitive faculty that divides humans from animals. The claim is that animals approximate causal learning using associative processes. The present results cast doubt on that conclusion. Rats made causal inferences in a basic task that taps into core features of causal reasoning without requiring complex physical knowledge. They derived predictions of the outcomes of interventions after passive observational learning of different kinds of causal models.
      • Source: Causal Reasoning in Rats, Aaron P. Blaisdell, Kosuke Sawa, Kenneth J. Leising, Michael R. Waldmann, Science: 1020-1022., 06/02/17
  3. Segway Creator Unveils His Next Act, Business 2.0 Next Article Bookmark and Share

    Excerpts: Inventor Dean Kamen wants to put entrepreneurs to work bringing water and electricity to the world's poor. Dean Kamen, the engineer who invented the Segway, is puzzling over a new equation these days. An estimated 1.1 billion people in the world don't have access to clean drinking water, and an estimated 1.6 billion don't have electricity. Those figures add up to a big problem for the worldXand an equally big opportunity for entrepreneurs. To solve the problem, he's invented two devices, each about the size of a washing machine that can provide much-needed power and clean water in rural villages.
  4. How The Brain Interprets The Intent Of Others, ScienceDaily Next Article Bookmark and Share

    Excerpts: Two Dartmouth researchers have learned more about how the human brain interprets the actions and intentions of others. (...) "We were able to find the part of the brain involved in interpreting the goal of another person, even if no words are spoken," says Hamilton. "When you see another person reach for an object that they want, like a cookie, a bit of brain called the anterior intraparietal sulcus, which is found in the parietal lobe, is strongly activated." (...)
  5. Education Systems Have Little Impact On Social Mobility, Innovations-report Next Article Bookmark and Share

    Excerpts: Current debate about the UK government's proposed education reforms may be based on a false premise. Recent research suggests that education policy by itself contributes little to the rate at which people move between social classes, (...). Comprehensive schooling is neither less nor more effective at promoting social mobility than a selective system, says the research (...). If changes to the structure of schooling could have an effect, then it should show in Scotland, where all selective schools in the public sector were abolished by the mid-1970s, they point out. Instead, they found that educational reforms had no impact either way. (...)
    1. Prestige is Factored into Journal Ratings, News@Nature Next Article Bookmark and Share

      Excerpt: Journal rankings should measure quality, not just quantity, say researchers who are proposing a new way to assess the status of science publications. Whereas the commonly used impact factor simply measures the number of citations per paper, the researchers say their ranking scheme also measures the significance of those citations, giving a truer measure of a journal's standing in the community.
      See Also: ComDig 2006.03
  6. Web Program Simplifies Artificial Gene Design, New Scientist Next Article Bookmark and Share

    Excerpts: A web-based program that simplifies many tricky steps involved in designing artificial DNA has been released by US microbiologists.

    The software suite, called GeneDesign, should make it easier for researchers to modify and study DNA. The cost of gene synthesis is rapidly falling with dozens of companies around the world now offering to create genes to order from the chemical components of DNA.

  7. The Opposite of Doping, Wired Next Article Bookmark and Share

    Excerpts: By measuring hormone and other chemical levels before, during and after tough workouts, trainers can precisely tailor an athlete's regimen. For example, creatin kinase levels are high following muscle wear and tear. If levels are high following, say, a rugby match, an athlete might want to train lightly the following week to avoid injury. If levels are low, the coach can push slackers harder.

    A blood sample obtained by a pinprick is necessary to test chemicals related to athletic performance. But scientists (...) are developing a non-invasive and painless method.

    1. Get Ready For 24-Hour Living, New Scientist Next Article Bookmark and Share

      Excerpts: A new wave of drugs will make it a breeze to go days without sleep, and give you a good night's shut-eye in two hours - are you ready for 24-hour living? SO MUCH to do, so little time. Between a hectic work schedule and a thriving social life, Yves (not his real name), a 31- year-old software developer from Seattle, often doesn't have time for a full night's sleep. So he swallows something to make sure he doesn't need one.
  8. Loud Music Worsens Effects Of Taking Ecstasy, Innovations-report Next Article Bookmark and Share

    Excerpts: Loud music prolongs the effects of taking ecstasy for up to five days. A study published (...) hows that the reduction in rats' brain activity induced by 3,4 -Methylenedioxymethamphetamine (MDMA or ecstasy) lasts long after administration of the drug - up to five days - if loud music is played to them simultaneously. The effects wear off within a day when no music is played. (...) results show that low-dose MDMA did not modify the brain activity of the rats compared with saline, as long as no music was played. (...)
    1. Rats at a Rave, Science Now Next Article Bookmark and Share

      Excerpts: Cranking up the music can exacerbate the club drug ecstasy's deleterious effects on the brain, according to a new study. When scientists simulated a dance party for rats in the lab, the rodents suffered from reduced brain activity 5 times longer than their counterparts who took the drug in peace and quiet. The findings suggest environment may play a significant role in the harmful effects of the drug among humans.
    2. Smoking Out Addiction Genes, Science Now Next Article Bookmark and Share

      Excerpts: Scientists hoping to find a simple set of genes that dictates a predisposition to addiction are likely to be frustrated, according to new research, which reinforces the notion that not only are addictions genetically complex, but they also overlap with each other to some extent. Studies with twins indicate that addiction to nicotine, alcohol, and other drugs is partly inherited. Health professionals would love to understand the genes responsible, but the handful identified so far likely represent only a small portion of those at work.
    3. Outsmarting Pavlov's Dogs, Science Now Next Article Bookmark and Share

      Excerpts: One thing that seems to set humans apart from all other animals is our ability to reason. When the barometer falls, for example, we expect bad weather, but we don't think the barometer causes the weather. Scientists have assumed that such an understanding is beyond other animals. But a study of the reasoning abilities of rats now shows that we may not be so unique after all.
  9. Developmental Biology: Two Paths To Silence Merge, Nature Next Article Bookmark and Share

    Excerpts: To maintain their identity across generations, specialized cells must heritably repress swathes of genes X keeping active only genes necessary for the cell's purpose. Now it seems two repressive pathways join forces.

    Even though cells of all developmental stages carry the same DNA, they have their own identity, defined by the combination of proteins expressed in each cell. These expression patterns, although set early during development, are reproduced in each mature, specialized cell later in life, over many cell divisions.

    1. A Bottom-Up Approach To Gene Regulation, Nature Next Article Bookmark and Share

      Excerpts: The ability to construct synthetic gene networks enables experimental investigations of deliberately simplified systems that can be compared to qualitative and quantitative models. If simple, well-characterized modules can be coupled together into more complex networks with behaviour that can be predicted from that of the individual components, we may begin to build an understanding of cellular regulatory processes from the 'bottom up'. Here we have engineered a promoter to allow simultaneous repression and activation of gene expression in Escherichia coli. We studied its behaviour in synthetic gene networks under increasingly complex conditions(...).
      • Source: A Bottom-Up Approach To Gene Regulation, Nicholas J. Guido, Xiao Wang, David Adalsteinsson, David McMillen, Jeff Hasty, Charles R. Cantor, Timothy C. Elston, J. J. Collins, DOI: 10.1038/nature04473, Nature 439, 856-860, 06/02/16
    2. Genetics: Copies Count, Nature Next Article Bookmark and Share

      Excerpts: Some genes have more than one copy, and the copy number can differ among individuals. But does this variation affect the person involved? It seems susceptibility to certain common diseases can be altered.
      • Source: Genetics: Copies Count, Joseph H. Nadeau, Charles Lee, DOI: 10.1038/439798a, Nature 439, 798-799, 06/02/16
  10. Neuroscience: Sumo Wrestles The Synapse, Science Next Article Bookmark and Share

    Excerpts: A single neuron in the mammalian brain forms thousands of specialized connections with other neurons called synapses. The number, strength, and specificity of these synaptic connections ultimately determine and regulate brain function. Consequently, one of the critical questions in neurobiology is how synaptic connectivity is established during development and how it is modified during life.
  11. Stem Cells May Be Key to Cancer, NY Times Next Article Bookmark and Share

    Excerpts: One day, perhaps in the distant future, stem cells may help repair diseased tissues. But there is a far more pressing reason to study them: stem cells are the source of at least some, and perhaps all, cancers.

    At the heart of every tumor, some researchers believe, lie a handful of aberrant stem cells that maintain the malignant tissue.

    The idea, if right, could explain why tumors often regenerate even after being almost destroyed by anticancer drugs.

  12. Thai Dogs Carry Bird-Flu Virus, But Will They Spread It?, Nature Next Article Bookmark and Share

    Excerpts: Antibodies to H5N1 found in village dogs and cats.

    Large numbers of domestic dogs and cats in Thailand may be infected with the H5N1 strain of avian flu, Nature has learned. Experts are struggling to work out whether such carnivores might be spreading the disease.

    1. Flora Horror - Hospitals Struggle With A Serious New Gut Microbe, Science News Next Article Bookmark and Share

      Excerpts:
      MONSTER OF MEDICINE. Clostridium difficile bacteria, shown here isolated from a stool sample, are causing more severe diarrheal illness in hospitals than they have in the past. CDC
      About 3 years ago, physicians in Quebec noticed an alarming pattern in patients with diarrhea. "All of a sudden, we were having patients so sick that they needed the ICU [intensive-care unit]," says doctor and epidemiologist Sandra Dial. The same illness was also sending patients to the morgue as never before. They weren't succumbing to the ailment that brought them to the hospital. Instead, they seemed to have gotten sick from their antibiotic treatment.
    2. Engineering Nerve Jumper Cables For Spinal Cord Repair, U of Pennsylvania School of Medicine News Release Next Article Bookmark and Share

      Excerpts:
      Development of a nervous tissue construct for transplantation. Top panel: Neurons are plated on two membranes and a neural network (black) is formed. Bottom two panels: Movement of a block attached to one membrane (yellow) via a computer controlled microstepper motor system divides the culture and progressively separates the halves. As the microstepper motor moves the top membrane, the portion of the axonal bundles crossing between the top and bottom membranes is extended inducing stretch growth of the axon bundles. These cultures are then embedded in collagen and rolled into a tube that facilitates removal from the device. This construct is then transplanted to bridge spinal cord lesions. (Credit: Douglas H. Smith, MD, University of Pennsylvania School of Medicine)
      Researchers at the University of Pennsylvania School of Medicine have created - in a rodent model - a completely new way to engineer nerve structures, or constructs, in culture. This proof-of-principle research has implications for eventually becoming a new method to repair spinal cord injury in humans.
  13. Who Needs Dark Energy?, Science Next Article Bookmark and Share

    Excerpts:
    Warped. According to general relativity, matter and energy bend spacetime to create gravity. If that bending is slightly different than Einstein said, it might explain the accelerating expansion of the universe.
    Credit: LIGO/MIT ]
    According to Einstein's theory, spacetime bends and warps in the presence of matter and energy, producing the effects we call gravity. (...). But in recent years, researchers have toyed with equations that include not only a term proportional to the curvature but also inverse powers of the curvature.

    Those terms are small when spacetime is tightly curved and gravity is strong, so they don't mess up gravity within the solar system. But on gargantuan scales where the curvature is small and gravity is weak, the terms might drive an accelerating expansion.

    1. Cosmic Monsters Everywhere, Science Now Next Article Bookmark and Share

      Excerpts:
      Night light. This image in x-ray light was compiled by the Extended Chandra Deep Field-South survey. The area of the sky covered is about 33 arc minutes per side, or slightly larger than the full moon. Credit: NASA
      The deepest and most sensitive sky surveys ever attempted have revealed that the distant cosmos is burning with ultrabright X-ray sources, coming from more super-massive black holes than anyone had predicted. And that's not even the biggest surprise. It turns out almost all quasars, those blinding beacons of the universe, emerged only in the most ancient galaxies. This "antihierarchy," as it is being called, suggests nearly all of the biggest, most active, and most violent black holes--the ones that produced the quasars--appeared not too long after the first stars and galaxies. The universe has been calming down, so to speak, ever since.
    2. Top Stars Picked In Alien Search, BBC News Next Article Bookmark and Share

      Excerpts:
      Not all of the billions of stars can be examined by scientists
      An US astronomer has drawn up a shortlist of the stars most likely to harbour intelligent life.

      Scientists have been listening out for radio signals from other solar systems in the hope of detecting civilisations other than our own.

      Margaret Turnbull at the Carnegie Institution in Washington DC looked at criteria such as the star's age and the amount of iron in its atmosphere.

      Her top candidate was beta CVn, a Sun-like star 26 light-years away.

    3. Hot Soup Not So Tasty for Early Life, Science Now Next Article Bookmark and Share

      Excerpts:
      No Eden here. Life probably didn't get its start in volcanic puddles like this one in Kamchatka, Russia. Credit: David Deamer
      Imagine that 4 billion years ago, extraterrestrials arrived on our planet determined to seed it with life. Where might these Johnny Appleseeds have placed their "life start-up kit" amidst the hot lava and ground-shattering meteors of early Earth? A recent experiment presented here at a Royal Society meeting apparently rules out puddles of volcanically heated water. Astrobiologists--and others who study life's origins--believe the first native Earthlings may have formed in baths of boiling water.
  14. Virtual Globes: The Web-Wide World, Nature Next Article Bookmark and Share

    Excerpts: Life happens in three dimensions, so why doesn't science? Declan Butler discovers that online tools, led by the Google Earth virtual globe, are changing the way we interact with spatial data.

    Next month, biologist Erik Born will be wielding a crossbow and firing satellite tags into the hides of walruses, having manoeuvred his rubber dinghy through the pack ice off western Greenland. By tagging the walruses, Born will be able to track the animals' movements and behaviour from afar over several years.

    1. Think Global, Nature Next Article Bookmark and Share

      Excerpts: 'Virtual globe' software is transforming our ability to visualize and hypothesize in three dimensions. Educators take note.

      Millions of people across the world are zooming in from space, flying across continents, and swooping over mountains and through cities, thanks to Google Earth, NASA's World Wind and other free virtual globes.

      The ability to model the Earth in exquisite three-dimensional detail was previously only approached on the desktops of professional users of geographical information systems (GIS).

      • Source: Think Global, DOI: 10.1038/439763a, Nature 439, 763, 06/02/16
  15. Speed Thrills With Neural Networks, ElectronicsWeekly.com Next Article Bookmark and Share

    Excerpts: In the Aston Martin DB9, for example, Ford has used a software neural network running on the main ECU for detecting misfires in the car's high revving V12 engine. The neural approach is promoted as a high-tech feature but it was probably the only cost-effective way Ford could make the DB9 meet the demanding Californian emissions requirements (the higher the engine cylinder-count, the higher the RPM, and hence the bigger the computing overhead associated with detecting misfire).
    1. I.B.M. Researchers Find a Way to Keep Moore's Law on Pace, NY Times Next Article Bookmark and Share

      Excerpts: I.B.M. researchers plan to describe an advance in chip-making on Monday that could pave the way for new generations of superchips. The development, which comes from materials research in the design of advanced lenses and related technologies, will make it possible to create semiconductors with wires thinner than 30 nanometers, one-third the width in today's industry-standard chips.
  16. Calls To Conserve Biodiversity Hotspots, Nature Next Article Bookmark and Share

    Excerpts: Indonesia's 'lost world' could be under threat from poachers.

    Last week's announcement that dozens of new species had been found in remote Indonesia has led to fresh calls to protect biodiversity. A team of scientists from Indonesia, Australia and the United States announced their findings on 7 February, and hope that their eye-catching photos of never-before seen plants and animals will put pressure on Indonesia to take care of its natural bounty.

    1. Paleobiology: Revised Numbers Quicken The Pace Of Rebound From Mass Extinctions, Science Next Article Bookmark and Share

      Excerpts: Read literally, the past half-billion years of marine fossils say it took 5 million to 10 million years for new species to begin replacing the losses suffered during extinctions. But now researchers have removed some of fossil record's imperfections, and in this revised history, at least, there's no "traffic cop" to hold life back
    2. Speed Limit Lifted on the Pace of Evolution, Science Now Next Article Bookmark and Share

      Excerpts: Read literally, the history of life derived from the past half-billion years of marine fossils says it takes 5 million to 10 million years for new species to begin replacing those lost during extinctions. That's bad news for a modern biosphere battered by a human-induced mass extinction. But now researchers have taken a second look at the fossil record after trying to remove some of its imperfections and have concluded that there's no Darwinian traffic cop holding life back.
    3. Invasion And The Evolution Of Speed In Toads, Nature Next Article Bookmark and Share

      Excerpts: Cane toads seem to have honed their dispersal ability to devastating effect over the generations.

      Cane toads (Bufo marinus) are large anurans (weighing up to 2 kg) that were introduced to Australia 70 years ago to control insect pests (...). But the result has been disastrous because the toads are toxic and highly invasive. (...); we find that toads with longer legs can not only move faster and are the first to arrive in new areas, but also that those at the front have longer legs than toads in older (long-established) populations.

  17. How Plants Avoid Incest, Science Now Next Article Bookmark and Share

    Excerpts:
    Toxic blocker. Enzymes and other proteins (blue and green dots) that prevent inbreeding are taken up by pollen tubes (outlined in light blue) and released when inbreeding is imminent. Credit: Ariel Goldraij, Mayandi Sivaguru, and Bruce McClure, University of Missouri at Columbia
    Cultural taboos keep most humans from inbreeding, but plants must rely on a complex internal warning system. In a new study, scientists have teased apart how this botanic chastity belt operates. As many commercial plant species have lost the ability to guard against incest, the findings may help breeders circumvent inbreeding to create more robust plants.
    1. Reproductive Social Behavior: Cooperative Games to Replace Sexual Selection, Science Next Article Bookmark and Share

      Excerpts: Theories about sexual selection can be traced back to Darwin in 1871. He proposed that males fertilize as many females as possible with inexpensive sperm, whereas females, with a limited supply of large eggs, select the genetically highest quality males to endow their offspring with superior capabilities. Since its proposal, problems with this narrative have continued to accumulate, and it is our view that sexual selection theory needs to be replaced. We suggest an approach that relies on the exchange of direct ecological benefits among cooperating animals without reference to genetic benefits.
  18. Global Warming Is No Sweat--for Plants, Science Now Next Article Bookmark and Share

    Excerpts:
    Sweat shop. When CO2 levels are high, plants let less water evaporate through pores called stomata (above) and draw less water from the ground. Credit: Mike Morgan / www.microscopy-uk.org.uk
    A rising level of carbon dioxide has made people sweat more by warming the globe, but it's also draining the world's supply of fresh water by making plants sweat less. That's the conclusion of a new study that uses computer simulations to figure out why so much fresh water is running into the salty sea.
    1. Global Change: The Water Cycle Freshens Up, Nature Next Article Bookmark and Share

      Excerpts: Rivers are delivering increasing amounts of fresh water to the ocean. The cause seems to be the influence that higher concentrations of atmospheric carbon dioxide are having on water use by plants.
    2. Earth 'On Fast Track' To Warming, BBC News Next Article Bookmark and Share

      Excerpts: Greenhouse gases are being released 30 times faster than the rate of emissions that triggered a period of extreme global warming in the Earth's past.

      That is the conclusion of scientists who presented results at a conference in St Louis, in the US.

      Emissions that caused a global warming episode 55 million years ago were released over 10,000 years.

      Burning fossil fuels is likely to release the same amount over the next three centuries, the scientists claim.

  19. Complex Challenges: Global Terrorist Network Next Article Bookmark and Share

    1. The Democracy Game, The New Yorker Next Article Bookmark and Share

      Excerpts: How big a concern is that now, the ties between Hamas and Iran?

      Enormous. U.S. and Israeli intelligence have long believed that, in one way or another, Iran has been very helpful to Hamas. Now, again, it's an interesting tactical question: If support diminishes from the West, will that allow Iran to fill a vacuum? I do know from conversations with military people and intelligence people in Israel that their biggest concern is Iranian influence there. Even the more liberal heads are concerned above all with chaos.

    2. Congressman Says US Should Freeze Dubai Port Deal, Reuters Next Article Bookmark and Share

      Excerpts: The Bush administration has failed to put adequate security conditions on a deal for a state-owned Dubai company to manage major U.S. ports, and it should not go forward pending a full investigation, a key Republican congressman said on Sunday.

      Lawmakers from both parties joined in criticizing the deal, and one called the administration "tone deaf" for approving it.

      Rep. Peter King, chairman of the House of Representatives Homeland Security Committee, said that before the administration approved the sale of British firm P&O, which manages six U.S. ports, to Dubai Ports World of the United Arab Emirates, it failed to determine whether the company could be trusted.

    3. Is Terrorism Morally Distinctive?, J. Polit. Phil. Next Article Bookmark and Share

      Excerpts: The term 'terrorism' may by now have become too ideologically freighted to have any analytic value. (...) two opposed but complementary ways of employing it will have to be resisted. (...) Under the combined influence of these two tendencies, the word 'terrorism' is in danger of becoming little more than a pejorative term used to refer to the tactics of one's enemies. In this paper, I will proceed on the assumption that the concept of terrorism retains more content than that (...). What I will do instead is to describe a certain familiar pattern to which terrorist actions often conform (...).
      • Source: Is Terrorism Morally Distinctive?, S. Scheffler, DOI: 10.1111/j.1467-9760.2006.00242.x, Journal of Political Philosophy, Mar. 2006, Online 2006/02/14
      • Contributed by Pritha Das - prithadas01ayahoo.com
  20. Links & Snippets Next Article Bookmark and Share

    1. Other Publications Next Article Bookmark and Share

      1. Elephants On The Edge, Across Africa, elephants seem to be turning on their human neighbours in ever increasing numbers.
      2. Evanescent Wave Litho To Surface At SPIE, Mark LaPedus, 06/02/09, EE Times, (...) produced a 26-nm image based on EWL. (...) as a means for sub-32-nm chip production, (...).
      3. New Microchips Shun Transistors, John Hudson, 06/02/14, For the first time researchers have created a working prototype of a radical new chip design based on magnetism instead of electrical transistors.
      4. Invention: Viper vision, Barry Fox, 06/02/14, NewScientist.com, Stapleton's device uses an ordinary digital camera light sensor to capture a scene which it converts into a mosaic of light spots. An array of infrared LEDs then transforms this mosaic into a pattern of heat points which can be projected onto a user's forehead.
      5. Space-Elevator Tether Climbs A Mile High, Kimm Groshong, 06/02/15,
        In January, LiftPort team members deployed a mile-long tether with the help of three large balloons in the Arizona desert (N Aung/LiftPort Group)
        NewScientist.com
      6. MEDICINE: Mouse Study Suggests Cancer Drugs Could Help Prematurely Aging Kids, John Travis, 06/02/17, Science: 934-935. a research team reports that a drug originally developed to treat cancer can forestall symptoms in and increase the survival of mice with a disease similar to Hutchinson-Gilford progeria syndrome, an extremely rare genetic condition that causes what looks like premature aging.
      7. NEUROSCIENCE: New Neurons Strive to Fit In, Greg Miller, 06/02/17, Science: 938-940. Neurons born in the adult brain are highly adaptable. But what are they good for?
      8. EVOLUTION: Why Sex?, Rasmus Nielsen, 06/02/17, Science : 960-961. Why sex? This has been one of the most fundamental questions in evolutionary biology. In many species, males do not provide parental care to the offspring.
      9. ATMOSPHERIC SCIENCE: The Greenland Ice Sheet and Global Sea-Level Rise, Julian A. Dowdeswell, 06/02/17, Science: 963-964. The changing mass of the great ice sheets of Greenland and Antarctica represents the largest unknown in predictions of global sea-level rise over the coming decades. At 1.7 million km2, up to 3 km thick, and a little smaller than Mexico, the Greenland Ice Sheet would raise global sea level by about 7 m if it melted completely.
      10. Ocean Flyer, Tim Thwaites, 06/02/18, YOSHIAKI KODAMA is weaving a magic carpet large enough to carry a ship. Conjured up from thin air at the flick of a switch, this slippery blanket will help transport a fully laden tanker or container ship across the ocean at higher speed, and using far less fuel, than ever before.
      11. 'Faster Emergence' For Diseases, 06/02/21, BBC News, New infectious diseases are emerging at an unprecedented rate, making it difficult to tackle the threats, say scientists.
      12. US Troops Taught Iraqi Gestures, 06/02/21, BBC News, The US military funds a computer game to teach its troops how to use and decipher Iraqi body language.
      13. Straub Tail, the Deprivation Effect and Addiction to Aggression, Natalia N. Kudryavtseva, 2006/02/14, arXiv, DOI: q-bio.OT/0602017
      14. Avoiding Chaos in Wonderland, G.A. Kohring, 2006/02/14, arXiv, DOI: nlin.AO/0602028
      15. Prevalence Of Different Modes Of Parental Care In Birds, A. Cockburn, 2006/02/14, Proceedings: Biological Sciences, DOI: 10.1098/rspb.2005.3458
      16. Schools IT Scheme Gets Under Way: Local Council Signs Up To Government Elearning Plan To Modernise Schools, J. Brown, 2006/02/15, vnunet.com & Computing
      17. Demographic Homeostasis and the Evolution of Senescence, Josh Mitteldorf, 2006/02/16, arXiv, DOI: q-bio.PE/0602020
      18. Are Dancers Genetically Different Than The Rest Of Us? Yes, Says Hebrew University Researcher, 2006/02/16, ScienceDaily & The Hebrew University of Jerusalem
      19. Europeans Did Not Preserve Their African Past, 2006/02/17, Innovations-report & Informnauka (Informscience) Agency
      20. Brain Researchers Discover The Evolutionary Traces Of Grammar, 2006/02/17, ScienceDaily & Max Planck Society
      21. What Feelings Can't Do, L. Sizer - lsizerahampshire.edu, Feb. 2006, Online 2006/02/10, Mind & Language, DOI: 10.1111/j.1468-0017.2006.00308.x
      22. A Note On The Spread Of Worms In Scale-Free Networks, Griffin, C., Brooks, R., Feb. 2006, online: 2006/01/23, Systems, Man and Cybernetics, Part B, IEEE Transactions, DOI: 10.1109/TSMCB.2005.854498
      23. Unconventional Wisdom, Bellovin, S., Jan.-Feb. 2006, online 2006/02/06, Security & Privacy Magazine, IEEE, DOI: 10.1109/MSP.2006.28
      24. The Simple Economics Of Cybercrimes, Kshetri, N., Jan.-Feb. 2006, online 2006/02/06, Security & Privacy Magazine, IEEE, DOI: 10.1109/MSP.2006.27
      25. Dynamical Aspects Of Interaction Networks, G. Nicolis, A. G. Cant, C. Nicolis, Nov. 2005, International Journal of Bifurcation and Chaos, DOI: 10.1142/S0218127405014167
      26. Higher Education: Who Cares What the Customer Wants?, Reisman, S., Nov.-Dec. 2005, online 2006/01/10, IT Professional, DOI: 10.1109/MITP.2005.145
    2. Webcast Announcements Next Article Bookmark and Share

      1. Ralph Abraham on Complexity Digest, , Calcutta, India, 05/12/27
      2. An Afternoon with Michael Crichton, Washington, 05/11/06
      3. Illuminating the Shadow of the Future, Ann Arbor, Mi 05/09/23-25
      4. Open Network of Centres of Excellence in Complex Systems - Brainstorming Meeting, Paris, France 05/09/19-23
      5. Complexity, Science & Society Conference 2005, U. Liverpool, UK 2005/09/11-14
      6. ECAL 2005 - VIIIth European Conference on Artificial Life, Canterbury, Kent, UK 2005/09/5-9
      7. T. Irene Sanders, Executive Director and Founder, The Washington Center for Complexity & Public Policy, 05/08/27, QuickTime video (10:38 min), Podcast
      8. North American Society for the Psychology of Sport and Physical Activity 2005 Conference, Virtual Conference Network, St. Pete's Beach, Florida, 05/06/09-11
      9. Understanding Complex Systems - Computational Complexity and Bioinformatics, Virtual Conference Network, Urbana-Champaign, Il, UIUC, 05/05/16-19
      10. Nonlinearity, Fluctuations, and Complexity, with a celebration of the 65th birthday of Gregoire Nicolis. , Complexity Session, Universite' Libre de Bruxelles, Brussels, Belgium, 05/03/16
      11. World Economic Forum , Davos, Switzerland, 05/01/26-30
      12. 1st European Conference on Complex Systems, Torino, Italy, 04/12/5-7
      13. From Autopoiesis to Neurophenomenology: A Tribute to Francisco Varela (1946-2001), Paris, France, 2004/06/18-20
      14. Evolutionary Epistemology, Language, and Culture, Brussels, Belgium, 04/05/26-28
      15. International Conference on Complex Systems 2004, Boston, 04/05/16-21
      16. Nonlinear Dynamics And Chaos: Lab Demonstrations, Strogatz, Steven H., Internet-First University Press, 1994
      17. CERN Webcast Service, Streamed videos of Archived Lectures and Live Events
      18. Dean LeBaron's Archive of Daily Video Commentary, Ongoing Since February 1998
      19. Edge Videos

    3. Conference Announcements Next Article Bookmark and Share

      1. Intl Wkshp and Sem, Dynamics on Complex Networks and Applications, Dresden, Germany, 06/02/06-03/03
      2. 'The Application of Complexity Science to Human Affairs , Milton Keynes, UK, 06/02/28
      3. Intl Workshop on Ecological Informatics of Chaos and Complex Systems, Tokyo, 06/03/02-03
      4. 2nd Intl Nonlinear Science Conf, Heraklion, Crete, Greece, 06/03/10-12
      5. EXYSTENCE Course on Complexity in Real-World Systems & Their Simulations: Simulation serving science and decision making in a complex world , Torino, Italy, 06/03/13-25
      6. Work, Dissipation, And Fluctuations In Nonequilibrium Physics, Brussels, Belgium, 06/03/22-25
      7. Spring School in Complexity Science, Southampton, UK, 06/03/29-04/12
      8. ZUMA Advanced Simulation Workshop, Koblenz, April 3-7, 2006
      9. 18th European Meetings on Cybernetics and Systems Research (EMCSR), Vienna, Austria, 06/04/18-21
      10. 5th Intl Joint Conf on Autonomous Agents And Multiagent Systems (AAMAS 2006) Future University, Hakodate, Japan, )6/05/08-12
      11. Nonlinearities: from Turbulent to Magic, Copenhagen, Denmark. 06/05/17-20
      12. Alife X - The 10th Intl Conf on the Simulation and Synthesis of Living Systems,Bloomington, Indiana, 06/06/03-07
      13. Intl. Conference on Complex Systems Boston, MA, 06/06/25-30
      14. 1st Intl Conf on Economic Sciences with Heterogeneous Interacting Agents, Univ of Bologna, Italy, 06/06/15-17
      15. NKS 2006: The Wolfram Science Conference, Washington, D.C., 06/06/16-18
      16. Intl Conf on Complex Systems (ICCS), Boston, Ma, 06/06/25-30
      17. 11th Annual Congress of the European College of Sport Science, Lausanne, Switzerland, 06/07/05-08
      18. 2006 Genetic And Evolutionary Computation Conference (GECCO-2006), Seattle, Washington, USA, 06/07/08-12
      19. Intl Soc for the Systems Sciences 50th Ann Conf - Complexity, Democracy & Sustainability, Sonoma, California, 06/07/09-14
      20. 5th World Congress of Biomechanics, Munich, Germany, 06/07/29-08/04
      21. 50th Anniversary Summit of AI, Monte Verita, Switzerland, 06/07/09-14
      22. FIAS Summer School - Theoretical Neuroscience & Complex Systems, Frankfurt/Main, Germany, 06/08/05-27
      23. 2006 Intl Conf on Nonlinear Science and Complexity, Beijing, China, 06/08/07-12
      24. Symmetry Festival 2006, Symmetry in Art and Science Education, Budapest, Hungary, 06/08/12-18
      25. 6th International Conference on Intelligent Virtual Agents, Marina Del Rey, Ca, U.S.A., 06/08/21-23
      26. World Conference on Social Simulation (WCSS-06) , Kyoto, Japan, 06/08/21-25
      27. 7th Intl Symposium on Knowledge and Systems Sciences (KSS'2006), Beijing, 06/09/22-25.
      28. European Conference on Complex Systems 2006 (ECCS'06), Oxford, England, 06/09/25-29
      29. FROM ANIMALS TO ANIMATS 9, The Ninth Intl Conf on the SIMULATION OF ADAPTIVE BEHAVIOR (SAB'06), Roma, Italy, 06/09/25-30
      30. 6th Intl Conf on Simulated Evolution and Learning , Hefei, China, 06/10/15-18
      31. 3rd International Workshop on Complexity and Philisophy, Stellenbosch, South Africa, 07/02/22-23

    4. Call for Papers - Course/Book Announcements Bookmark and Share

      1. MSc Complexity Science: Systems Thinking from New Biology to Novel Computation, Southampton, UK
      2. Volume Four Complexity and Knowledge Management: Understanding the Role of Knowledge in the Management of Social Networks, ISCE Managing the Complex Book Series
      3. New Issue of Emergence: Complexity & Organization (E:CO), Volume 7 Numbers 3 & 4, 2005 Special Double Issue: Complexity and Storytelling Guest Editors: Ken Baskin & David Boje was published online.

Also available in: Simple HTML format | TXT format | TXT format with links | Print