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Why Are Pig Farmers Still Using Growth-Promoting Drugs?

There's a curious twist in the contentious debate over feeding antibiotics to animals in order to make them grow faster. Evidence suggests using antibiotics for growth promotion, at least among pigs, doesn't even make economic sense. But some pork producers don't believe it.

China Sets Ambitious Agenda In 'Asian Space Race'

India launched its Mars mission on Tuesday. But China is still leading what some see as a space competition among Asian countries. It has worked on a lunar rover, a space station as well as its own unmanned mission to Mars.

Rapping Biology? Why Science And Hip-Hop Works

Engaging students in science class is no easy task but using hip-hop may be one way to get their attention. Research scientist Danielle Lee uses hip-hop to bridge the gap between culture and science.

As Mirrors Beam Light To Town, Norwegians Share Patch Of Sun

Rjukan lies in the shadow of surrounding mountains for nearly six months every year. But the town recently installed a system of mirrors to bring sunlight to its central square. Not everyone can bask in the glow at the same time, but the project is bringing residents together.

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.