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Features

The Paradox of the Sun's Hot Corona

Like a boiling teakettle atop a COLD stove, the sun's HOT outer layers sit on the relatively cool surface. And now astronomers are FIGURING OUT WHY

By Bhola N. Dwivedi and Kenneth J. H. Phillips

Sign Language in the Brain

How does the human brain process language? New studies of deaf signers hint at an answer

By Edward S. Klima, Gregory Hickok and Ursula Bellugi

North to Mars!

TO PAVE THE WAY FOR A MISSION TO MARS, A BAND OF SCIENTISTS DECIDED TO GO TO THE CANADIAN ARCTIC

By Robert Zubrin

Hair: Why it Grows, Why it Stops

Scientists are rapidly discovering the molecules that control hair production. In so doing, they could be unearthing the key to combating both baldness and excessive hair growth

By Ricki L. Rusting

A Low-Pollution Engine Solution

CLEAN-BURNING, SPARKLESS-IGNITION AUTO ENGINES MAY OFFER THE BEST CHANCE OF MEETING NEW EXHAUST EMISSIONS STANDARDS

By Steven Ashley

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