Human DNA is the ultimate fingerprint. A single hair can contain enough information to determine someone's identity — a feature that's been invaluable for identifying the unnamed casualties of natural disasters and war. But forensic scientists who use DNA say the technology isn't always available where it's most needed, like in poor countries, or in war zones like Syria.
Originally published on Fri September 13, 2013 1:07 pm
Think about this: You wake up in New York City, decide to go for a stroll, head east after breakfast, and a short time later, still on foot, you find yourself in Morocco. Three hundred million years ago, you could have done that! There was no civilization back then, no cities, no countries, no people, but the land was there, so take a look at this map.
I'm Michel Martin and this is TELL ME MORE from NPR News. Now it's time for our weekly visit to the barbershop where the guys talk about what's in the news and what's on their minds. Sitting in the chairs for a shape-up this week are writer Jimi Izrael, with us from Cleveland. Here in our Washington, D.C. studios, sports writer and journalism professor Kevin Blackistone, Corey Dade, contributing editor for The Root, and NPR editor Ammad Omar decided to stick around. What do you know?
This is SCIENCE FRIDAY. I'm Ira Flatow. It's one of the most enduring questions in modern space exploration, a puzzle scientists have been trying to solve for years. Are we there yet? Where is the Voyager 1 spacecraft? Where is it right now in relationship to where we are?
(SOUNDBITE OF ARCHIVED SHOW)
FLATOW: Well, it's 11 billion miles out...
UNIDENTIFIED WOMAN #1: Voyager 1 will be leaving the region called the Helio...
FLATOW: Tell us where it is? How do you know that it's at the edge of our solar...
Stephen Hawking is known for his research into relativity, black holes, and quantum mechanics, as well as for the disease that has left him almost entirely paralyzed. But the theoretical cosmologist says that, were he to start from scratch, he wouldn't focus on physics.
Why are bed bugs so resistant to pesticides? How do whiskey, rye, and bourbon develop their unique flavor profile? What compounds in the natural world could be used for insect repellant or for treating AIDS? For the answers, we turn to the American Chemical Society conference. We'll discuss a few of the highlights presented at this week's meeting.
Researchers discovered the largest volcano on earth a thousand miles off the coast of Japan. Tamu Massif rivals some of the biggest volcanoes found in the solar system. Volcanology researcher Kayla Iacovino discusses what this giant can tell us about the inside of our planet.