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Brain longevity helped by eating less, scientists say

Italian scientists discovered a molecule for brain longevity - turned on by eating less. It might lead to future anti-aging therapies.

Evolution might favor men who misinterpret sexual cues

The kind of guy who misinterprets sexual cues and goes for it at the risk of being rebuffed might score more often, according to these researchers.

Doomed gas cloud stretched as nears Milky Way black hole

It'll come closest to the black hole in 2013. Astronomers see the gas cloud being stretched - astronomers say "spaghettified" - into an elongated shape.

140 new species described in 2011

There are still plenty of places to explore and things to discover on Earth, these scientists say. They described t 140 new species for 2011.

White dwarf at heart of closest supernova in 25 years

"Supernova 2011fe is like the Rosetta Stone of Type Ia supernovae," said Shri Kulkarni, who studies it. Scientists said a white dwarf resides in its center.

Smallest known black hole revealed by its heartbeat

An X-ray pattern - nicknamed a "heartbeat" because of its resemblance to an electrocardiogram - has revealed the smallest known black hole.

Elephant seal travels 18,000 miles

In less than one year, an elephant seal nicknamed Jackson traveled an astonishing 18,000 miles. That's the equivalent of New York to Sydney and back again.

New Hubble image of stars’ birth throes

The Hubble Space Telescope has captured a dramatic image of the violence of a star's birth. See this spectacular image here.

Leon Lederman on the mystery and beauty of the Higgs boson

Leon Lederman - Nobel laureate in physics - describes a hypothetical particle, the Higgs boson, that might one day help explain the structure of the universe.

Large brains of tiny spiders overflow into their legs

The brains of tiny spiders are so large that they fill their body cavities and overflow into their legs. Scientists studied the smallest spiders in the world.