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Scientists Make Plans To Blast Threatening Asteroids

The recent meteor blast in Russia has brought renewed attention to the risk posed by meteors on a collision course with Earth. NASA and the European Space Agency are working on a plan to develop a rocket that could collide with an asteroid and knock it off course. Dr. Andrew Cheng of the John Hopkins Applied Physics Lab, who is leading the initiative, talks about it with host Jacki Lyden.
NPR

Young Adult Prairie Dogs Dig Living In Mom's Basement

Most animals leave their home turf when they reach adulthood to avoid competing with relatives. But here's an exception. More than three decades of dogged research shows that prairie dogs are more likely to disperse when all their family members are gone.
NPR

In Open Source Rocket Competition, Collaboration Takes Off

The challenge, launching during the SXSW festival Saturday, asks anyone with an Internet connection to try to create a rocket engine. The 3-D designs can be edited by users around the globe, a model the organizers hope will decrease the cost of space innovation and unleash "untapped potential around the world."
NPR

Could A 'Brain Pacemaker' Someday Treat Severe Anorexia?

Neurosurgeons are testing whether electrodes implanted deep inside a patient's brain could help treat chronic anorexia. Doctors are searching for something to help in these hard cases, and a small experiment, with just a half-dozen women, is drawing attention.
NPR

We Like 'Em Big And Juicy: How Our Table Grapes Got So Fat

Girdles and hormone therapy for grapes? California farmers go to great lengths to plump and firm up grapes as much as possible. But don't worry: None of these techniques hurt the grapes or those that love them.
NPR

What Happened When Humans Met An Alien Intelligence? Sex Happened

It's already happened. We humans have already met an intelligent alien. Not only that, we almost certainly had sex with them. And we did here, right here on Earth, not so many generations ago.
NPR

Coroner: Zoo Intern May Have Been Killed After Lion Lifted Cage Handle

Dianna Hanson was apparently surprised by the big cat as she was cleaning an enclosure and talking on her cell phone to a co-worker.
NPR

Since End Of Last Ice Age, Rates Of Global Warming 'Amazing And Atypical'

In the past 100 years, average temperatures on Earth have changed by 1.3 degrees. Previously, that large of a swing took 5,000 years. That's the word from researchers who pored over temperature data going back to the end of the last ice age.
NPR

BP Bows Out Of Solar, But Industry Outlook Still Sunny

The energy giant says it has "thrown in the towel on solar." The industry has evolved since BP entered the ring, currently emphasizing cheap production rather than research and development. BP says it just wasn't making money, though it will continue investing in other renewable resources.

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