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In The Future, Spider Silk May Help Grow Your Replacement Heart

There’s been a lot of talk lately about how spider silk is this crazy wonder material that may soon find its way into everything from electronics to ultra-strong fabrics. Now, there’s another reason to be excited about spider silk: doctors might one day use the stuff to grow you a new heart. » 4/11/15 5:30pm 4/11/15 5:30pm

These Kinetic Bird Sculptures Will Leave You Completely Mesmerized

Some of these moving, biomechanical bird sculptures look like they're about to take flight, while others resemble bizarre Muppets made over in metal. But one thing that they all have in common is that they are deeply satisfying to watch, with possibilities for special effects and industrial design alike. » 12/16/14 3:00pm 12/16/14 3:00pm

The Fastest Animal (Relative to its Size) Is Really, Really Fast

The world's fastest land animal (again: relative to its size) is Paratarsotomus macropalpis, a sesame-seed-sized mite native to southern California. Scientists recently clocked P. micropalpis traveling 322 body lengths per second – which, to scale, would be like a person running 1,300 miles per hour. » 5/01/14 9:40am 5/01/14 9:40am

How Do Red And Giant Pandas Coexist? The Secret Is In Their Skulls.

Red pandas and giant pandas have more in common than simply being equally adorable and included on the IUCN Red List. They both eat bamboo and live in the same habitats. How do they coexist without competing over the same resources? The secret might be hidden in their skulls. » 4/10/14 8:47pm 4/10/14 8:47pm

We finally have an accurate measurement of a cheetah's top speed

For years, the top speed of the world's fastest land animal has been listed as 64 miles per hour – but that record is based on a single measurement, taken all the way back in the 1960s. So researchers flew to Botswana, where they outfitted wild cheetahs with motion- and acceleration-tracking collars. After measuring… » 6/12/13 11:22am 6/12/13 11:22am

Allosaurus Ate Like a Terrifying Two-Ton Falcon

Tyrannosaurus rex was a thrasher, prone to vigorously shaking its powerful, prey-packed jaws from side-to-side like a crocodile. But new simulations reveal Allosaurus was equipped to dismember its prey with a little more decorum, stripping flesh from bone not with the head-swinging motion of a croc, but the meticulous… » 5/21/13 12:07pm 5/21/13 12:07pm

Science settles some decades-old debates about the best way to swim

As we go into the final two days of Olympic swimming — the men's open water 10k is today –- scientists are already telling swimmers how to improve their stroke for the next Olympic Games. Two different studies are reconsidering the biomechanics of swimmers' pulls, a hotly debated topic among coaches and athletes. » 8/10/12 4:02pm 8/10/12 4:02pm