News tagged with theoretical models
Two Earth-sized bodies with oxygen rich atmospheres found -- but they're stars not planets
Nov 12, 2009 |
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(PhysOrg.com) -- Astrophysicists at the University of Warwick and Kiel University have discovered two earth sized bodies with oxygen rich atmospheres - however there is a bit of a disappointing snag for anyone ...
Lizards change their diet to avoid predators
Dec 02, 2009 |
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A scientist from the University of Salamanca and another from Yale University have shown that the presence of predators affects the behaviour of Acanthodactylus beershebensis, a lizard species from the Ne ...
In search of the root causes of the 2008 crisis: New York Fed to hear new theory on financial meltdown
Dec 07, 2009 |
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(PhysOrg.com) -- Anjan Thakor, finance professor at the Olin Business School, Washington University in St. Louis, will present a new theory on the causes of the financial crisis to a meeting of the New York Federal Reserve ...
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Sucking Up To Survive
10 hours ago |
5 / 5 (2) |
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Shrink a human being down to the size of an insect, and you would no longer be able to sip lemonade from a straw. The forces that hold liquid together would simply be too great to overcome at that tiny scale.
Bacteria offer insights into human decision making
Dec 08, 2009 |
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(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...
Rethinking artificial intelligence: Researchers hope to produce 'co-processors' for the human mind
Technology / Computer Sciences
Dec 07, 2009 |
4.2 / 5 (16) |
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The field of artificial-intelligence research (AI), founded more than 50 years ago, seems to many researchers to have spent much of that time wandering in the wilderness, swapping hugely ambitious goals for ...
Scientists take theoretical research on 'nasty' molecule to next level
Dec 04, 2009 |
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(PhysOrg.com) -- Some atoms don't always follow the rules. Take the beryllium dimer, a seemingly simple molecule made up of two atoms that University of Delaware physicists Krzysztof Szalewicz and Konrad Patkowski ...
Quake prediction model developed
Space & Earth / Earth Sciences
Dec 03, 2009 |
3.8 / 5 (4) |
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(PhysOrg.com) -- The third in a series of papers in the journal Nature completes the case for a new method of predicting earthquakes.
A Superbright Supernova That’s the First of Its Kind
Dec 02, 2009 |
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(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...
Researchers put a new spin on atomic musical chairs
Dec 02, 2009 |
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Researchers from the National Institute of Standards and Technology and the Naval Research Laboratory have developed a new way to introduce magnetic impurities in a semiconductor crystal by prodding it with ...
Mathematical model of a simple circuit in a chicken brain raises fundamental questions
Dec 01, 2009 |
4.6 / 5 (28) |
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(PhysOrg.com) -- The Web site Neuroanthropology asks visitors to complete this quote, "One of the difficulties in understanding the brain is ...". In addition to the typical facetious remarks, such as "so ...
Past regional cold and warm periods linked to natural climate drivers
Space & Earth / Earth Sciences
Nov 26, 2009 |
3.8 / 5 (19) |
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Intervals of regional warmth and cold in the past are linked to the El Niño phenomenon and the so-called "North Atlantic Oscillation" in the Northern hemisphere's jet stream, according to a team of climate scientists. These ...
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
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