Science Friday Archives - browsing recent stories

International Space Station following most recent upgrade. Credit: STS-119 Shuttle Crew, NASA.

Hydrogen from a Bacterial Brew: Researchers have developed a more efficient way to extract hydrogen from biological materials using a bacterial fuel cell. (first broadcast Friday, November 16, 2007)

Monkey Clones and Stem Cells: Researchers report that they have been able to extract embryonic stem cells from cloned monkey embryos. (first broadcast Friday, November 16, 2007)

Michael Novacek and 'Terra': In this segment, Ira talks with Michael Novacek, paleontologist and curator at the American Museum of Natural History, about his new book 'Terra.' (first broadcast Friday, November 16, 2007)

Presidential Science Advisors: How important are a president's advisors when it comes to making decisions that deal with science and technology? (first broadcast Friday, November 16, 2007)

Cosmic Rays Tracked: Join Ira and guests in this segment for a look at efforts to track down the source of high-energy cosmic rays. (first broadcast Friday, November 9, 2007)

Math and Science Education: Conventional wisdom says that U.S. students don't measure up well against students in many foreign countries when it comes to math and science skills. But is that really true? (first broadcast Friday, November 9, 2007)

Supervolcano on the Rise: The remnants of a supervolcano under Yellowstone National Park are on the rise -- though researchers say there's no cause for alarm. (first broadcast Friday, November 9, 2007)

Oliver Sacks - Musicophilia: How does music affect the brain? Join Ira in this segment for a conversation with neurologist and author Oliver Sacks about the brain and music. (first broadcast Friday, November 9, 2007)

DARPA Urban Challenge: Can robots be trusted to safely drive cars on city streets? We'll talk about a recent robot road test. (first broadcast Friday, November 9, 2007)

Global Climate Change Update: Scientists say carbon dioxide levels in our atmosphere are shooting up faster than anyone predicted. What does that mean for climate change -- and for plans to limit carbon emissions? (first broadcast Friday, November 2, 2007)

Air Travel Safety Study: A NASA study found that serious safety problems, including aircraft near collisions and runway interference, occur far more often in the aviation industry than previously recognized. (first broadcast Friday, November 2, 2007)

Building a Brainbow: Researchers have developed a technique that takes brain mapping to a new level, allowing them to label individual neurons in the brain in different colors. (first broadcast Friday, November 2, 2007)

Good Calories, Bad Calories?: Which is the true dietary villain -- cholesterol or carbohydrates? In this segment, Ira talks with science writer Gary Taubes about his new book, 'Good Calories, Bad Calories.' (first broadcast Friday, November 2, 2007)

Global Health on A Dollar a Day: What solutions to public health problems would make the biggest difference to people who live on under a dollar a day? Ira talks with an editor from a medical journal that asked that question of some of the world's public health experts. (first broadcast Friday, October 26, 2007)