During the last 540 million years, the earth's oxygen levels have fluctuated wildly. Knowing that the dinosaurs appeared around the time when oxygen levels were at their lowest at 12%, Tomasz Owerkowicz, Ruth Elsey and James ...
Plants & Animals
Apr 17, 2009
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It's summer wildflower season in the Rocky Mountains, a time when high-peaks meadows are dotted with riotous color. But for how long?
Ecology
Jun 16, 2011
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It is a fascinating phenomenon that homing pigeons always find their way home. A doctoral student in biology at the University of Zurich has now carried out experiments proving that pigeons have a spatial map and thus possess ...
Plants & Animals
Jul 25, 2013
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Mantis shrimp don't need baby food. They start their life as ferocious predators who know how to throw a lethal punch.
Plants & Animals
Apr 29, 2021
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Researchers have found that a protein linked to cell division and migration and tied to increased cell proliferation in ovarian tumors is also present at high levels in breast cancer specimens and cell lines. The protein, ...
Cell & Microbiology
Sep 15, 2011
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Evarcha culicivora jumping spiders, also known as vampire spiders, are picky eaters by any standards. Explaining that the arachnid's environment is swamped with insects, Ximena Nelson from the University of Canterbury, New ...
Plants & Animals
Jun 7, 2012
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1
Researchers have found that a type of predatory sea slug that usually isn't picky when it comes to what it eats has more complex cognitive abilities than previously thought, allowing it to learn the warning cues of dangerous ...
Plants & Animals
Jun 6, 2013
2
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How modern-day humans dispersed on the planet and the pace of civilization-changing technologies that accompanied their migrations are enduring mysteries. Scholars believe ancient peoples on Europe and Asia moved primarily ...
Archaeology
Sep 19, 2011
2
0
(PhysOrg.com) -- The seemingly effortless way dolphins and porpoises slice through the water and the unique capabilities of the supersonic Concorde airplane have more in common than one might think.
Other
Jun 30, 2009
1
0
(PhysOrg.com) -- An international team of researchers from the United States, Korea, and France has sequenced and analyzed the genomes of two important laboratory strains of E. coli bacteria, one used to study evolution and ...
Cell & Microbiology
Oct 20, 2009
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