World Science: An artwork by... a sea monster?

* An artwork by... a sea monster?
A bizarre theory proposes that a gigantic,
prehistoric octopus found a grisly hobby -- whose
material was the bones of other sea monsters.

http://www.world-science.net/othernews/111010_ichthyosaur


* Finding suggests ocean water could come 
from comets:
A characteristic feature of Earth's ocean water has
also been measured in water from a comet.

http://www.world-science.net/othernews/111005_hartley2


* Scoop from Twitter data: People are happiest 
in the AM, sour on work:
The rise of social media has given sociologists an
unprecedented ability to investigate common daily
rhythms in mood.

http://www.world-science.net/othernews/110929_twitter


* Global warming may cause animals to shrink:
Scientists say they have figured out why
cold-blooded animals tend to grow to smaller adult
sizes when it's hotter.

http://www.world-science.net/othernews/110928_warming


* "Longevity gene" may be unrelated to 
longevity:
Any techniques or products that may have
successfully slowed aging are probably not working
by the biological mechanism previously thought, new
research claims.

http://www.world-science.net/othernews/110921_sirtuins


* Could robot tractors revolutionize agriculture?
A ritual older than civilization, the farmer rising
at dawn to till the fields all day, could become a
thing of the past if some researchers have their way.

http://www.world-science.net/othernews/110920_tractor


* NASA raises doubts on asteroid group thought 
to have killed dinosaurs:
New research keeps the case open on one of Earth's
great mysteries.

http://www.world-science.net/othernews/110920_baptistina


ADDITIONAL NEWS

* Explosion might have rocked space itself, 
scientists claim:
http://www.world-science.net/othernews/111004_waves

* More unequal societies spread faster, 
simulations suggest:
http://www.world-science.net/othernews/110928_inequality

* Shrinking ice said to reopen major Arctic 
passage for whales:
http://www.world-science.net/othernews/110924_northwest

* Series of thumps may have thrown planet off-
kilter:
http://www.world-science.net/othernews/111007_uranus

* Saturn moon is snowy, forms perfect skiing 
powder, scientists report:
http://www.world-science.net/othernews/111003_enceladus




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