* Newfound asteroid is companion to Earth,
An asteroid has probably been following Earth around
the Sun for over a quarter of a million years, two
* Global warming could clobber food pro-
Climate change could have a "potentially
catastrophic" long-term impact on crops, a U.N.
agency is warning.
* "Long lost cousin" of T. rex identified:
Fossils from China point to a brute that rivaled the
fearsome "tyrant lizard" in size, scientists claim.
* Scientists claim first practical "artificial leaf":
A new device could turn every remote home into its
own power station, its developers predict.
* Human prejudice may date back 25 million years
or more, scientists say:
Like people, some of our monkey cousins tend to take
an "us versus them" view of the world, a study has
* Comet had watery past, scientists find:
* Little grains bombarded early Earth relentlessly,
* White dwarfs might be fertile ground for
* Animal deaths in BP spill possibly greatly
* "Junk food" moms may risk having "junk
* America was populated earlier than thought,
* Dinos may have used long necks "vacuum-
* Domestic violence reports found to spike
after sporting upsets:
* Number of years spent obese linked to
* Quartz may be key to understanding quakes:
* Did the universe once have fewer
* Particle smasher might also act as time machine,
* Happy-go-lucky types die younger, study
* Having and walking a dog may make you
* Study: "climate change" less doubted than
* Pain really does help ease guilt, study finds:
* Taste for sweets is more complex than we
knew, scientists say:
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