Uncategorized
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Life
Why starved flies need less sleep
Low lipid levels keep the insects buzzing past bedtime, a new study finds, suggesting a role for metabolism in regulating sleep.
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Space
Still no Earths, but getting closer
Two newly discovered planetary systems shed light on the likelihood of producing terrestrial planets.
By Ron Cowen -
Archaeology
Big eats from a 12,000-year-old burial
Middle Eastern villagers may have feasted around a shaman’s grave 12,000 years ago, before the dawn of agriculture.
By Bruce Bower -
Earth
Primordial bestiary gets an annex
A classic Canadian fossil trove extends to thinner deposits, geologists find.
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In field or backyard, frogs face threats
Amphibians and other sensitive groups encounter chemicals across the landscape.
By Susan Milius -
DNA on the move
The latest advances from the field of DNA nanotechnology include nanobot ‘spiders’ learning how to walk and even do some work.
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A matter of solidity
A material that oozes through itself presents a super physics puzzle.
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Physics
Very tiny, very cool
Physicists outline a scheme to build a ‘refrigerator’ that can cool to near absolute zero and is based on only a few particles.
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Plants
Most energy drinks lag in added health benefits
Many caffeinated tonics lack natural antioxidants and other beneficial compounds found in coffee, yerba maté and other plant-based drinks.
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Book Review: Packing for Mars: The Curious Science of Life in the Void by Mary Roach
Review by Camille M. Carlisle.
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Science Future for September 11, 2010
September 16 The North Carolina Museum of Life and Science hosts a Science of Beer event. Go to www.ncmls.org/visit/events/science-beer September 26 An exhibit on archaeology of the Ottoman Empire comes to Philadelphia. See www.penn.museum/upcoming-exhibits.html October 15 Entry deadline for National Engineers Week Future City design competition for middle-schoolers. See www.futurecity.org
By Science News