Reporting in Science, researchers write that a red disk painted in Spain's El Castillo cave is at least 40,800 years old--making it the oldest known European cave art. Archaeologist Alistair Pike discusses how his team dated the disk, and whether Neanderthals could have painted it.
This is SCIENCE FRIDAY; I'm Ira Flatow. Imagine a cargo plane dropping you off in a remote corner of the African jungle. The area you've just entered is under quarantine for a mysterious plague. Nobody knows how many people it has killed, but all who have fallen sick die within eight days, first high fever, headache, hallucinations, then usually bleeding to death.
Originally published on Fri June 15, 2012 12:56 pm
Reporting in Nature, an international team of scientists say they've visualized the structure of a protective protein coat that surrounds many bacteria, down to the scale of a single atom. Structural microbiologist Han Remaut, co-author of the study, discusses potential applications of the research.
We were very tempted earlier this week to post about the guy who said he's writing a memoir called Kindness in America and had gotten shot while hitchhiking across the country. Many sites picked up that oh-so-ironic story.