Alan Alda challenged scientists to explain what a flame is to an 11-year-old. Three months and more than 800 entries later he is back with the winner of the contest. Ira Flatow and guests discuss the winning entry and why the contest was an effective exercise in science communication.
Reporting in the journal Nature Communications,researchers write that they were able to track down the cells causing clogged arteries. Dr. Jill Helms, co-author on the study, discusses why stem cells are to blame and how the study could lead to more effective treatments.
This is SCIENCE FRIDAY. I'm Ira Flatow. Meet Flame, every PC owner's worst nightmare. This newly discovered malware gives an attacker remote access to your computer. It can listen in on your conversations, look through your webcam. It was first detected in the Middle East and has been infecting computers for at least two years.
And today's last word in business is: Don't drive like my brother. That's the sign off heard each week at the end of NPR's most popular program. Were talking, of course, about CAR TALK. Brothers Tom and Ray Magliozzi have been dispensing humorous auto advice on the radio for more than 25 years. But today, the duo said they're putting the breaks on the program. In October they'll call it quits and no longer record new episodes.
An operation by U.S. Immigration and Customs Enforcement's (ICE) Homeland Security Investigations (HSI) has led to the arrest of 190 people accused of producing, distributing or possessing child pornography.
"Let this operation be a warning to anyone who would think they can use the Internet to exploit children: we are out there looking for you, we will find you, and you will be prosecuted," ICE director John Morton said in a statement.