Reporting in Science, two teams of scientists say they were unable to replicate the results of a 2010 study claiming to have found 'alien life' on Earth--a bacterium that could build its DNA using arsenic. Science journalist Carl Zimmer talks about how the controversy played out online, and how science corrects itself.
This is SCIENCE FRIDAY. I'm Ira Flatow. If you're out shooting hoops this summer or you're going for a jog, you know it won't be long before you're sopping wet and, you know, it's really sweaty out there. And where's all that sweat coming from? Your body's water supply, of course. You have to replenish those fluids if you sweat a lot. But it's not as simple as the old eight-glasses-a-day mantra. How much should you really drink? Too much water, you can die, as has happened to marathon runners who chugged too much water during the race.
On July 20, 1958, at Tanglewood — the summer home of the Boston Symphony Orchestra — pianist Leon Fleisher played an electrifying Brahms First Piano Concerto with the orchestra under its former music director, Pierre Monteux. This remarkable teaming has not been heard since then.
Imagine you're a movie producer, and you've got a couple of hundred million dollars to gamble on a single massive blockbuster. Which genre do you suppose will be your safest bet — superhero? Action-adventure? Sci-fi? All of those have had huge successes, but they've also all had hugely expensive failures.
There's one genre, though, that's hardly a gamble at all. It's been almost foolproof since it first came into being in 1995: computer animation.