Why do muscles hurt after exercise? [Pharyngula]

Why do muscles hurt after exercise? [Pharyngula]

As long as I'm stranded in a snowstorm (thankfully fading right now) and unable to teach my human physiology class this morning, I thought I'd at least put a small part of the story I was going to tell on the web. We're currently talking about muscle physiology, and I've already gone over the sliding filament theory of muscle contraction…oh, you know that one, right? Muscles contract using ...

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Cheetah cub thrives under foster mom

The young cheetahs chirped as a veterinarian gave them a quick but thorough checkup at the Smithsonian Conservation Biology Institute.

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Plants That Can Move Inspire New Adaptive Structures

The Mimosa plant, which folds its leaves when they're touched, is inspiring a new class of adaptive structures designed to twist, bend, stiffen and even heal themselves. University of Michigan researchers are leading their development. Mechanical engineering professor Kon-Well Wang will present the team's latest work Feb. 19 at the American Association for the Advancement of Science's 2011 ...

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