Uncategorized
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Planetary Science
Colliding moonlets
New photos of collisions in one of Saturn’s rings provide a local lab for understanding the interactions that might shape young solar system formation.
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Health & Medicine
Bad synergy
Hookworm and other parasite infections work in concert to heighten risk of anemia in children. The problem may be especially bad for school-aged children, whose learning ability is often compromised by anemia.
By Nathan Seppa -
Life
Zombie babysitters
Wasp attack creates undead caterpillars that protect wasp young
By Susan Milius -
Space
Better view of the Milky Way
New studies revise the structure of the Milky Way, exchanging the old map of a four-armed spiral galaxy for a two-arm version. The makeover also includes the discovery of a smaller, short, gaseous arm that is a long-sought counterpart to a similar arm near the galaxy’s center.
By Ron Cowen -
Planetary Science
Small exoplanet discovered
Astronomers have discovered the smallest planet known that is beyond the solar system and orbits an ordinary parent body.
By Ron Cowen -
Space
Making an impression
In its seventh day after successfully landing on the Red Planet, the Phoenix Lander digs its first trench and is ready to start its ice-hunting.
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Health & Medicine
Microbes clean up mercury
Researchers think a microbe could clean up mercury-laced Native American artifacts.
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Life
Replaying evolution
By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.
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Math
Communities of Communities of …
A new approach to network theory focusing on the subcommunities within networks may shed light on everything from food webs to terrorist cells. It may even act as an oracle, helping scientists identify connections within a network they haven’t yet seen.
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Humans
Fostering gains
New studies indicate that abused and neglected kids benefit from living with relatives and from high-quality foster care services.
By Bruce Bower -
Earth
Natural heat
Heat from the decay of radioactive elements deep within the planet could meet Earth’s energy needs almost three times over — if we could harness all of it.
By Sid Perkins