News
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LifeHumpback whale alters song if another one sings along
Acoustical study of male songs shows first evidence of the whales responding musically to each other.
By Susan Milius -
Planetary ScienceMercury, As Never Seen Before: MESSENGER visits innermost planet
The first spacecraft to visit Mercury in 33 years imaged 25 percent of the crater-pocked surface that had never before been seen close-up.
By Ron Cowen -
SpacePanel says planned NASA rocket won’t do the job
The Ares 1 set to replace the space shuttle is too expensive and won’t be ready soon enough, the Augustine Committee concludes.
By Ron Cowen -
AnimalsAncient giant beavers did not chow on trees
The now-extinct animals had a hippo-like diet
By Sid Perkins -
ChemistryHow leaves could monitor pollution
Trees near high-traffic areas accumulate tiny particles.
By Sid Perkins -
LifeEstrogen helps ward off belly fat
Hormone is one reason that men and women carry weight differently
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LifeFossil find sparks debate on primate origins
A 37-million-year-old jaw suggests the famous fossil Darwinius does not, as had been suggested, fill a gap in human evolution.
By Bruce Bower -
AnimalsJunk food turns rats into addicts
Bacon, cheesecake and Ho Hos elicit addictive behavior in rats similar to the behavior of rats addicted to heroin.
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EarthJohnstown Flood matched volume of Mississippi River
A modern survey of terrain determines flow rate of the 1889 flood that was one of America's deadliest disasters.
By Sid Perkins -
LifePeople can control their Halle Berry neurons
Researchers pinpoint individual brain cells that respond to particular people and objects.
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Health & MedicineExercise helps brains bounce back
Study of rhesus monkeys shows running protects dopamine neurons from death.
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SpaceSuperEarths common for other stars
A mother lode of 32 newly discovered planets brings the number of known extrasolar planets to more than 400 and suggests that lightweight planets are common around sunlike stars.
By Ron Cowen