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What Do You Want to Know About Sexual Anatomy?

When I was in graduate school, I wondered what changes made erectile tissue in the penis shift from its soft and flexible state to its stiff and inextensible state. Then, with the help of some armadillos, I did the research and figured it out. Tell me what you wonder about, and I’ll see whether I can figure it out for… » 5/28/15 3:30pm 5/28/15 3:30pm

Why Do Knuckles Go Pop? Researchers May Finally Have The Answer.

There's some disagreement among physiologists about knuckle-cracking and how it produces its characteristic popping sound. Now, Canadian scientists have used MRI scans to watch what happens inside a cracking finger joint in real time – and their observations may have settled this longstanding debate for good. » 4/15/15 12:30pm 4/15/15 12:30pm

​Can You Control Your Metabolism With Your Mind?

Well... maybe. In this intriguing video piece, NPR's Alix Spiegel discusses the work of Columbia psychologist Alia Crum, whose research suggests that food labels have a placebo effect on the way our bodies respond to food and experience hunger. But to what extent do these results mean that we can think ourselves thin? » 4/16/14 9:30am 4/16/14 9:30am