World Science: Comets may have come from other solar systems

* Comets may have come from other solar 
systems:
Many of the best known comets may have been born
orbiting other stars, according to a new theory.

http://www.world-science.net/othernews/100610_comets


* "Power-hungry" image may hurt female, but not 
male politicians:
Voters tend to punish female candidates for seeming
brazenly ambitious, but let the same quality slide
in males, a study suggests.

http://www.world-science.net/exclusives/100608_politicians


* Arctic ice at multi-millennium low: 
researchers
Less ice covers the Arctic today than at any time in
the past few thousand years, a study concludes.

http://www.world-science.net/othernews/100603_ice


* Diversity within species may be as important as 
among them:
Many past studies have focused on diversity of
species as a key factor in the health and resilience
of a natural environment.

http://www.world-science.net/exclusives/100602_diversity


* Oil spill threatens iconic fish with saw-like snout:
The huge spill spreading in the Gulf of Mexico could
finish off a critically endangered sawfish, an expert 
says.

http://www.world-science.net/othernews/100520_synthetic


ADDITIONAL NEWS

* Surveillance technologies get more powerful:
http://www.world-science.net/othernews/100610_video
* How acupuncture really works:
http://www.world-science.net/exclusives/100530_acupuncture
* Cockroaches may share food advice:
http://www.world-science.net/othernews/100605_cockroach
* Squirrels found to adopt orphans:
http://www.world-science.net/othernews/100601_squirrels.htm
* Termites, not lions, may be kings in African grasslands:
http://www.world-science.net/othernews/100526_termites
* Off-kilter planetary system surprises astronomers:
http://www.world-science.net/othernews/100524_planet
* Fuel from sewage can be profitable: study:
http://www.world-science.net/othernews/100521_biodiesel
* Could banknotes made like butterfly wings deter forgery?:
http://www.world-science.net/othernews/100531_butterfly
* Hey Jude: Get that song out my head!
http://www.world-science.net/othernews/100528_earworms


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Don't forget to visit our homepage for Science In
Images; links to top science news from other publi-
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