Haunting 3-minute music video tells the panspermia story better than …

In Prometheus, we saw a mysterious alien seeding the Earth with DNA. This act of fertilizing a planet with life from space is called panspermia. And in this music video from director Tom Walsh and the band Swimming, you can see a breathtaking short story of panspermia that feels far more satisfying than the one in … » 10/12/12 9:56am 10/12/12 9:56am

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

What is "blood doping," and why does it matter?

Any time someone breaks a record, people inevitably bring up the possibility that they had some illegal enhancements. Just yesterday, gold medalist Ye Shiwen was accused of "blood doping" to improve her performance. You may be familiar with steroids and other drugs — but what on Earth is "blood doping?" And why would… » 8/01/12 7:00am 8/01/12 7:00am

Everything you wanted to know about the physics of ducks' feet

What is the optimum stroke angle for a duck's foot when paddling? Although a duck may already intuitively know the answer, the question has now been clarified for us humans as part of a recent research project undertaken at the prestigious California Institute of Technology (Caltech), in the US. » 9/24/11 11:40am 9/24/11 11:40am