News tagged with biological
Physics rules network dynamics
Dec 11, 2009 |
4.8 / 5 (25) |
0
(PhysOrg.com) -- When it comes to the workings of the Web, the brain, or a social network, physics finds universal truths.
Bacteria offer insights into human decision making
Dec 08, 2009 |
4.6 / 5 (20) |
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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 ...
Researchers find clues to why some continue to eat when full
Medicine & Health / Psychology & Psychiatry
23 hours ago |
4.5 / 5 (8) |
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The premise that hunger makes food look more appealing is a widely held belief - just ask those who cruise grocery store aisles on an empty stomach, only to go home with a full basket and an empty wallet.
Study shows how gene action may lead to diabetes prevention, cure
Dec 11, 2009 |
4.3 / 5 (7) |
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A gene commonly studied by cancer researchers has been linked to the metabolic inflammation that leads to diabetes.
Prussian blue linked to the origin of life
Dec 14, 2009 |
4.7 / 5 (6) |
1
A team of researchers from the Astrobiology Centre (INTA-CSIC) has shown that hydrogen cyanide, urea and other substances considered essential to the formation of the most basic biological molecules can be ...
Scientists crack mystery of protein's dual function
Dec 13, 2009 |
5 / 5 (5) |
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Researchers at The Scripps Research Institute have solved a 10-year-old mystery of how a single protein from an ancient family of enzymes can have two completely distinct roles in the body. In addition to providing guidance ...
Study shows nearly 1/3 of human genome is involved in gingivitis
Dec 07, 2009 |
4.8 / 5 (4) |
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Gingivitis, which may affect more than one-half of the U.S. adult population, is a condition commonly attributed to lapses in simple oral hygiene habits. However, a new study shows that development and reversal of gingivitis ...
Argonne scientists use bacteria to power simple machines (w/ Video)
Dec 16, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory and Northwestern University, Evanston, have discovered that common bacteria can turn microgears when suspended in ...
Sucker-footed bats don't use suction after all (w/ Video)
Dec 14, 2009 |
4.3 / 5 (3) |
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There are approximately 1,200 species of bats worldwide. Of that total, only six are known to roost with their heads pointed upward. Investigators did not know why, because they knew next to nothing about ...
Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes
Dec 03, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- A team of scientists has made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes.
Scientists show that plants have measure of the shortest day
Dec 23, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- It is not only people who feel the effects of short winter days - new research by the University of Edinburgh and the University of Warwick has shed light on how plants calculate their own winter solstice. ...
New molecule identified in DNA damage response
Dec 08, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Evolution places the highest premium on reproduction, natural selection’s only standard for biological success. In the case of replicating cells, life spares no expense to ensure that the ...
List of 'unsung' wildlife affected by climate change released
Dec 07, 2009 |
5 / 5 (2) |
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The Wildlife Conservation Society today released a list of animals facing new impacts by climate change, some in strange and unexpected ways.
Sparkly Spiders and Photonic Fish
Dec 09, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.
Making New Enzymes to Engineer Plants for Biofuel Production
Dec 21, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Brookhaven scientists have created a new enzyme with the potential to interfere with a key cell-wall component in plants, possibly leading to plants that are easier to "digest" and convert ...
