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
Volume 284, Issue 6
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Features
Solving the Mystery of Insect Flight
Insects use a combination of aerodynamic effects to remain aloft
Sign Language in the Brain
How does the human brain process language? New studies of deaf signers hint at an answer
North to Mars!
TO PAVE THE WAY FOR A MISSION TO MARS, A BAND OF SCIENTISTS DECIDED TO GO TO THE CANADIAN ARCTIC
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
A Low-Pollution Engine Solution
CLEAN-BURNING, SPARKLESS-IGNITION AUTO ENGINES MAY OFFER THE BEST CHANCE OF MEETING NEW EXHAUST EMISSIONS STANDARDS
The Himba and the Dam
A questionable act of progress may drown this African tribe's way of life. Similar dramas are playing out around the world
A License for Copycats?
A court decision may clarify what is patentable while giving a free ride to knockoffs