News tagged with modern
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DNA study sheds new light on horse evolution
1hour ago |
5 / 5 (1) |
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(PhysOrg.com) -- Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past ...
Old hay and Alpine ibex horns reveal how grasslands respond to climate change
2 hours ago |
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How do plant ecosystems react to rising concentrations of the greenhouse gas CO2 in the atmosphere over the long term? This fundamental question is becoming increasingly pressing in light of global climate ...
Mathematical models key to tracking gossip, terrorists
14 hours ago |
5 / 5 (1) |
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(PhysOrg.com) -- Thanks to the Internet and online social networks (OSNs) news and gossip now spread literally like wildfire -- uncontrollably and seemingly without any order. But according to one Ryerson ...
Disagreement Over Mammography Task Force Study
17 hours ago |
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When a government-appointed panel of experts released new guidelines last month calling for fewer routine mammograms, they were met with public confusion, political outrage, and a media storm that left women ...
New techniques make carbon-based integrated circuits more practical
18 hours ago |
4.9 / 5 (9) |
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(PhysOrg.com) -- Stanford engineers have built what they believe is a chip with the most advanced computing and storage elements made of carbon nanotubes to date by devising a way to root out the stubborn ...
New silicon-germanium nanowires could lead to smaller, more powerful electronic devices
19 hours ago |
5 / 5 (5) |
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(PhysOrg.com) -- Microchip manufacturers have long faced challenges miniaturizing transistors, the key active components in nearly every modern electronic device, which are used to amplify or switch electronic signals.
People affected by autism believe increase is 'real,' not diagnostic
22 hours ago |
4.5 / 5 (2) |
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There has been a major increase in the number of children diagnosed with autistic spectrum disorders over the last two decades - the question is why? Researchers have found a sharp difference between the beliefs of ordinary ...
Sparkly Spiders and Photonic Fish
Dec 09, 2009 |
4 / 5 (1) |
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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.
The impact of the diffusion of maize to the Southwestern United States
Other Sciences / Archaeology & Fossils
Dec 08, 2009 |
4.4 / 5 (5) |
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An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had.
Precision breeding creates super potato
Dec 08, 2009 |
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The skin is light brown, the meat luscious and yellow: from the outside alone, this new potato looks like any other. But on the inside, it is different. Its cells produce pure amylopectin, a starch used in ...
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