Each fall millions of monarch butterflies from across the eastern United States begin a southward migration in order to escape the frigid temperatures of their northern boundaries, traveling up to 2,000 miles to an overwintering ...
Plants & Animals
Feb 21, 2013
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(Phys.org)—A Simon Fraser University chemist is the lead author on a new paper that advances scientific understanding of the structure and function of glycoproteins, in particular the number and positioning of sugars on ...
Biochemistry
Feb 6, 2013
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Veterinary scientists at the University of Liverpool have found that, like humans, obese dogs can experience metabolic syndrome, a condition that describes multiple health issues that occur in the body at the same time.
Plants & Animals
Oct 31, 2012
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Scientists have discovered why the 'broken world' following the worst extinction of all time lasted so long – it was simply too hot to survive.
Earth Sciences
Oct 18, 2012
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University of Alberta researchers found evidence that a feathered, but flightless dinosaur was able to snag and consume small flying dinosaurs.
Archaeology
Aug 29, 2012
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Dinosaurs may have been warm-blooded, scientists said Wednesday, in a finding that could debunk one of the most commonly-held images of the extinct giants.
Archaeology
Jun 27, 2012
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The tuatara, an iconic New Zealand reptile, chews its food in a way unlike any other animal on the planet – challenging the widespread perception that complex chewing ability is closely linked to high metabolism.
Plants & Animals
May 29, 2012
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When mammals are cold, they can employ physical changes to stay warm -- such as intense shivering. Like any form of aerobic exercise, though, "shivering thermogenesis" is especially challenging at high altitudes because there ...
Plants & Animals
May 17, 2012
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Most of us wouldn't consider slow-moving snails to be high-metabolism creatures. But at one point in the distant past, snail metabolism sped up, says a new study of marine snails in the journal Paleobiology.
Plants & Animals
May 3, 2011
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Scientists at Washington University School of Medicine in St. Louis have found a way to significantly reduce atherosclerosis in mice that does not involve lowering cholesterol levels or eliminating other obesity-related problems.
Biochemistry
Jul 23, 2010
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