Nearly one-third of songbird species across North America are experiencing long-term declines. Scientists have spent years researching potential causes for these population declines, focusing on the birds when they have just ...
Plants & Animals
May 8, 2014
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Some Ecuadorian tribes were famous for making mummified shrunken heads from the remains of their conquered foes. Field work in the cloud forests of Ecuador by Professor Scott Shaw, University of Wyoming, Laramie, and colleagues, ...
Plants & Animals
May 8, 2014
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What is the secret to aging more slowly and living longer? Not antioxidants, apparently.
Cell & Microbiology
May 8, 2014
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After cancer spreads, finding and destroying malignant cells that circulate in the body is usually critical to patient survival. Now, researchers reporting in the Cell Press journal Chemistry & Biology have developed a new ...
Biochemistry
May 8, 2014
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A comparison of the genomes of polar bears and brown bears reveals that the polar bear is a much younger species than previously believed, having diverged from brown bears less than 500,000 years ago.
Biotechnology
May 8, 2014
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The largest metagenomic search for antibiotic resistance genes in the DNA sequences of microbial communities from around the globe has found that bacteria carrying those vexing genes turn up everywhere in nature that scientists ...
Biotechnology
May 8, 2014
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Most of us have probably felt that lasting sense of anxiety or even pain after enduring some kind of accident or injury. Now, researchers have the first evidence in any animal that there may be a very good reason for that ...
Evolution
May 8, 2014
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Determining species diversity makes it possible to estimate the impact of human activity on marine ecosystems accurately. The environmental effects of salmon farming have been assessed, until now, by visually identifying ...
Ecology
May 8, 2014
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When Apple released the iPad, many, including yours truly, saw it as a device for watching movies, playing games and surfing the Web, rather than creating content.
Software
May 8, 2014
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Almost all herbivorous insects are specialized to feed on specific host plants and have adapted to their chemical defenses. Flea beetles are important pests of cabbage and other cruciferous plants, such as mustard, horseradish ...
Plants & Animals
May 8, 2014
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