World Science: "Liberal gene" identified
* "Liberal gene" identified:
People with a specific gene variant tend to
develop into liberals if they also have many
friends as teenagers, a study suggests.
* Scientists work on sun-charged "heat battery":
A new type of rechargeable battery would store heat
absorbed from the sun instead of electrical charge.
* Daily vibration may help protect aging bones:
Whole-body vibration may reduce the bone density
loss that occurs with age, researchers report based
on studies with mice and with older women.
* Peace of mind may close health gap for
Good psychological health may erase the bad
long-term health effects of low socioeconomic
status, research suggests.
* Obese kids said to show sign of "middle-
age" heart disease:
Obese children have stiff blood vessels typical of
much older adults with cardiovascular disease,
according to a study.
* Storied "monster" is just a furry victim of mites:
As Halloween approaches, tales of monsters and
creepy crawlies abound. Among the more insidious is
the legendary chupacabras.
* Astronomers peer into primordial cosmic "fog":
Scientists say they have confirmed the discovery of
the furthest galaxy known.
* Forecast: global warming may bring giant
The United States and many other populous lands face
a growing threat of long, harsh drought in the next
30 years, a study indicates.
* Would you sleep on a chunk of ice? Building
your "experience résumé":
Some people can't resist a chance to collect
experiences, a study suggests.
* T. rex was a cannibal, scientists report:
The fearsome "king" of the dinosaurs ate not just
other dinosaurs but also its own kind,
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