Writer Donna Britt's 26-year-old brother was killed by Indiana police officers decades ago. Amidst the news of Trayvon Martin's death, she is reminded of the unanswerable questions surrounding her brother's death. She talks about the challenges of coming to terms the violent death of a loved one.
This mystery has plagued arachnologists for decades. William Eberhard and Daniel Briceno untangle the web question in a paper in the journal Naturwissenschaften. The answer has to do with spiders' oily, hairy legs.
This is SCIENCE FRIDAY. I'm Ira Flatow. My next guest won the Nobel Prize in 2000 for his work on learning and memory, and he really needs no introduction as a neuroscientist. But there is another side to Eric Kandel that you may not know. He is an art collector, an historian of early 20th-century art in Germany and Austria, and he says he could have seen that passion as an alternate career path.
The film director James Cameron has just completed a dive to Challenger Deep, the deepest point on Earth at nearly 36,000 feet under the sea. His manned descent is the first in 52 years, since the oceanographers Don Walsh and Jacques Piccard explored the Mariana Trench in the bathyscaphe Trieste.