When physicist Flavio Noca first saw penguins zooming around underwater, he was blown away by their speed and maneuverability. Now, his team has built a robotic arm that perfectly mimics the flippers in action — and he says the device could someday propel underwater craft.
Former science teacher Pierre Deom started writing, illustrating and publishing the French nature journal to educate kids about the environment. Forty years later, the magazine is so popular it sometimes receives 1,300 letters a day.
NPR has been taking a look at the numbers that tell the story of 2013. These 13 reflect the highs and lows of the year, from deadly wildfires and the war in Syria, to football stadiums and same-sex marriage.
They look like fettuccine come to life — little flatworms that glide along riverbeds and perform miracles. Chop off their tails, they grow them back. Split them in half, they grow whole again. But chop off their heads, and not only do they grow new heads, but those new heads contain old memories! Whoa!
Now is a good time to spot gray whales off the coast of Southern California, but scientists have been seeing an unusually high number of other whales. "The fact that we're getting a chance to see at this time of year fin whales, blue whales, is really a mystery," says a marine biologist.
Global warming is pushing species like the polar bear to the brink of extinction. It's not a typical conservation problem, so one government biologist discovered the best way he could help save the great white bears was to quit his job.
When you give to WAMU, your tax-deductible membership gift helps make possible award-winning programs such as Morning Edition, All Things Considered, The Diane Rehm Show, The Kojo Nnamdi Show, and other favorites.