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5 December 2013 11:26 am ,
Vol. 342 ,
An animal rights group known as the Nonhuman Rights Project filed lawsuits in three New York courts this week in an...
Researchers have been hot on the trail of the elusive Denisovans, a type of ancient human known only by their DNA and...
Thousands of scientists in the Russian Academy of Sciences (RAS) are about to lose their jobs as a result of the...
Dyslexia, a learning disability that hinders reading, hasn't been associated with deficits in vision, hearing, or...
Exotic, elusive, and dangerous, snakes have fascinated humankind for millennia. They can be hard to find, yet their...
Researchers have sequenced and analyzed the first two snake genomes, which represent two evolutionary extremes. The...
Snake venoms are remarkably complex mixtures that can stun or kill prey within minutes. But more and more researchers...
At age 30, Dutch biologist Freek Vonk has built up a respectable career as a snake scientist. But in his home country,...
- 5 December 2013 11:26 am , Vol. 342 , #6163
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ScienceShot: High Heels Come With a Price
15 July 2010 7:00 pm
Think 15 bucks for those sassy red heels is a great bargain? Your tendons don't. Using MRI and ultrasound technology, researchers compared the calf muscles and Achilles tendons of women who frequently wear high heels with those of women who mainly wear flat shoes. They report online tomorrow in the Journal of Experimental Biology that the muscle fibers of the calves of women who wear high heels are 13% shorter than those of women who wear flats. The tendons of high-heels wearers, although unexpectedly no different in length, were about 20% less flexible than the tendons of flat-shoe wearers. The researchers posit that although the extra rigidity of the tendon makes up for the lost muscle function, it causes pain once the pumps come off and the tendons have to stretch again.
See more ScienceShots.