Uncategorized
- Humans
A gene critical for speech
Scientists argue a newly discovered stretch of DNA essential for larynx development may have allowed the evolution of language.
- Life
Humpback whale alters song if another one sings along
Acoustical study of male songs shows first evidence of the whales responding musically to each other.
- Planetary Science
Mercury, 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.
- Space
Panel 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.
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- Chemistry
How leaves could monitor pollution
Trees near high-traffic areas accumulate tiny particles.
- Life
Estrogen helps ward off belly fat
Hormone is one reason that men and women carry weight differently
- Life
Fossil 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.
- Animals
Junk food turns rats into addicts
Bacon, cheesecake and Ho Hos elicit addictive behavior in rats similar to the behavior of rats addicted to heroin.
- Earth
Johnstown 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.
- Life
People can control their Halle Berry neurons
Researchers pinpoint individual brain cells that respond to particular people and objects.
- Health & Medicine
Exercise helps brains bounce back
Study of rhesus monkeys shows running protects dopamine neurons from death.
