In the last century something unexpected happened: humans became sedentary. We traded in our active lifestyles for a more immobile existence. But these were not the conditions under which we evolved. David Raichlen from the ...
Other
Mar 22, 2012
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Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ...
Biochemistry
Jan 22, 2012
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New University of Alberta research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought.
Earth Sciences
Oct 19, 2011
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McMaster researchers have found one more reason to exercise: working out triggers influential stem cells to become bone instead of fat, improving overall health by boosting the body's capacity to make blood.
Cell & Microbiology
Sep 1, 2011
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Breathing heavily at the edge of an ice hole, an Antarctic emperor penguin prepares to dive. Taking a last gulp of air, the bird descends and may not emerge again for another 20 minutes. The penguin initially carries sufficient ...
Plants & Animals
May 12, 2011
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Most marathon runners know they need to consume carbohydrates before and during a race, but many don't have a good fueling strategy. Now, one dedicated marathoner -- an MD/PhD student in the Harvard-MIT Division of Health ...
Mathematics
Oct 21, 2010
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(PhysOrg.com) -- Nature, in all its glory, is nothing if not thrifty.
Evolution
Jul 27, 2010
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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 a solution, providing ...
Biochemistry
Dec 16, 2009
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Making exercise less boring. For millions of gamers, this was the promise of the original "Wii Fit."
Software
Oct 15, 2009
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People and their dogs both need physical activity to fight obesity, and there are many exercises that owner and pet can do together that can improve their health and their relationship, according to a Kansas State University ...
Plants & Animals
Sep 8, 2009
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