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Ask An Astrophysicist

The universe is being pushed apart at a faster and faster rate. And the culprit? Dark energy. Astrophysicist Adam Riess shared the 2011 Nobel Prize in Physics for that discovery, and now's your chance to ask him about it--or anything else you've been wondering about the cosmos.
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Why Science Is A Non-Issue In The Election...Again

In the face of a massive drought and climbing sea levels are the presidential candidates going to talk about climate change? Why is science always at the bottom of the list of campaign issues that resonate with the public? Ira Flatow and guests discuss what scientists can do to shape the national dialogue in an election year.
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Sally Ride, Pioneer

Almost 30 years ago, Sally Ride broke the NASA gender barrier and became America's first female astronaut. While aboard the Challenger shuttle Ride used a robotic arm she helped design, to deploy and receive a satellite. She died Monday of pancreatic cancer, at age 61.
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"Resilience" Looks At How Things Bounce Back

In their new book, Resilience, Andrew Zolli and Ann Marie Healy examine how institutions and people respond to disruptions. By studying how systems--from coral reefs to Lehman Brothers--respond to change, Zolli argues that we can be better prepared for unexpected events.
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Building Organs, On One Microchip At A Time

Bioengineers are developing microchips, about the size of a thumb, that can behave like human organs. Donald Ingber, director of the Wyss Institute for Biologically Inspired Engineering, discusses how the "organ-on-a-chip" works and why the technology could replace the animal model for drug testing.
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Whooping Cough, Swine Flu And Back-To-School Vaccines

The U.S. is headed for the worst whooping cough outbreak in half a century. Maryland recently reported several cases of swine flu, and reports of West Nile virus are back. What you need to know to protect yourself.

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Two More Nearing AIDS 'Cure' After Bone Marrow Transplants, Doctors Say

The two patients in Boston seem to be free of HIV after the treatment for cancer, Harvard researchers say. But they're still on antiviral drugs, unlike the so-called Berlin patient, who's the only person in the world who's been fully cured.

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