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Here's an Anatomical Structure We've Never Seen in the Penis Before

You already know that a penis has arteries to bring blood to its erectile tissues, and veins that take the blood away again when it returns to its normal flaccid state. You may not know that there’s another set of vessels tucked under its skin. We just got our first good look at them. » 7/21/15 10:48am 7/21/15 10:48am

What do fruits and vegetables look like inside an MRI? Short answer: "Whoa."

Over at the blog Inside Insides, Andy Ellison of Boston University Medical School has been throwing the entire produce aisle inside a Philips 3 Tesla MRI, revealing the otherworldly realms that dwell inside common foods. Here's but a small sampling of his many see-through delicacies, immortalized as GIFs — my favorite… » 10/04/12 12:45pm 10/04/12 12:45pm

Do eternally optimistic people just have malfunctioning frontal lobes?

From an evolutionary perspective, excessive optimism is generally a bad idea. After all, if you're constantly assuming good things will happen, you'll probably be ill-prepared when bad things inevitably come along. Now scientists have an explanation...which isn't exactly flattering to the eternally optimistic. » 10/10/11 11:40am 10/10/11 11:40am

Ingestible Robots Survey Your Esophagus, Stomach, and Intestines

Your body will soon be teeming with tiny robots. Last year, robotics researchers managed to guide micro-robots through a pig's bloodstream using a magnetic field from an MRI machine (just a dry run before the bots infest us humans). Now scientists have invented a camera-bot you can swallow that will slide down your… » 6/04/08 9:30am 6/04/08 9:30am

Scientists Use Your Brain to Read Other People's Minds

Your private thoughts could be used to pry information out of somebody else's mind. Today a group of neuroscientists announced they used test subjects' brains to train computers how to "recognize" electrical patterns created by thoughts. Specifically, they trained the computers to recognize thoughts about objects… » 1/02/08 7:20am 1/02/08 7:20am