Zodiac

* Even rats will lend a helping paw: study
Rats will free distressed cagemates from a trap,
even when there's no evident reward, scientists
say.

http://www.world-science.net/othernews/111208_rats


* First Earth-like planet around Sun-like star 
reported:
Astronomers have identified a planet with balmy
temperatures and possibly liquid water.

http://www.world-science.net/othernews/111205_kepler


* Was blackmail essential for marriage to evolve?
A study takes a cold new look at a custom as ancient
and firmly established as it is sacred to
millions.

http://www.world-science.net/exclusives/111202_blackmail


* Astronomers may be learning to predict 
when a star is about to explode:
The current inability to accurately predict a
supernova deprives scientists of valuable data.

http://www.world-science.net/othernews/111201_supernova


* Millennia of chaos may have finally broken 
the dinosaurs:
A famous meteorite collision isn't even the half of
what the great reptiles endured, scientists now claim.

http://www.world-science.net/othernews/111123_cretaceous


ADDITIONAL NEWS


* Nasal spray may help beat shyness:
http://www.world-science.net/othernews/111209_oxytocin

* Drug may undo aging-associated brain changes 
in animals:
http://www.world-science.net/othernews/111207_brain

* Two record-sized black holes identified:
http://www.world-science.net/othernews/111205_blackhole

* Ravens show things to partners, a rare ability, 
study finds:
http://www.world-science.net/othernews/111129_ravens

* "Fool's gold" may lead to real treasure for solar 
cell developers:
http://www.world-science.net/othernews/111128_pyrite

* Debate heats up on dog origins:
http://www.world-science.net/othernews/111126_dogs

* Dreaming may take edge off bad memories:
http://www.world-science.net/othernews/111124_dream

* "Terminator"-style info-vision may be closer to 
reality:
http://www.world-science.net/othernews/111121_contacts



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