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Space Agencies Of The World, Unite: The U.N.'s Asteroid Defense Plan

NASA has already scoped out most of the comets and asteroids large enough to do global damage. But the United Nations thinks an international consortium of space programs need to get together in an effort to stop smaller — but potentially still dangerous — asteroids from hitting Earth.
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Fairfax County School To Put First Student-Built Satellite In Orbit

More than 50 students out of Thomas Jefferson High School in Fairfax County helped build a satellite that will be put into orbit later this month.


Sorry, Red Sox, Heavy Stubble Beats Beards For Attractiveness

All that beard tugging during the World Series got us thinking: Does facial hair actually make men more attractive? One recent study looked at four levels of beardedness, from a clean shave to full coverage. The effect was subtle, but a clear preference emerged.

Hurricane Sandy Recovery, One Year Later

A year after Hurricane Sandy, recovery efforts are still ongoing, and questions remain about how to rebuild and prepare the coastlines for the next storm. A group of experts discusses rebuilding and protective options — from sea walls to "oyster-tecture" — and considers calls for a "managed retreat" from the shore.

Is Having Grit The Key To Success?

When Angela Duckworth was teaching seventh-graders, she quickly realized that IQ wasn't the only thing separating the successful students from those who struggled. She explains her theory of "grit" as a predictor of success.

Can You Smile Your Way To Success?

Smile! It just might make you a success. Ron Gutman says your smile can be a predictor of how long you'll live — and that a simple smile has a measurable effect on your overall well-being.


Success has become synonymous with financial wealth, influence and status. But can we define success in another way — one that welcomes a broader range of accomplishment? It may not be as obvious as you think. In this hour, TED speakers share ideas for what makes us successful.

Seeing In The Pitch-Dark Is All In Your Head

Using special eye-tracking cameras, researchers at the University of Rochester found that many people can perceive their own bodies moving, even in total darkness. Our minds instinctively fill in some images when there aren't any real ones to see.

The Tail's The Tell: Dog Wags Can Mean Friend Or Foe

Is that a left wag or a right wag? Scientists have previously shown that dogs tend to wag their tails to their right side when they see something friendly, like their owners. But a new study shows that other dogs can actually pick up on these emotional cues.

Are Farm Veterinarians Pushing Too Many Antibiotics?

When it comes to antibiotics on the farm, it's not always a win-win. And when there's a fight, veterinarians are right in the middle of it, pushed back and forth by conflicting loyalties.