World Science: How awful sounds affect our brains

* Nasty noises: Why do we recoil at unpleasant 
sounds?
Nails scratching a blackboard and other disturbing
noises trigger a seemingly primitive brain response,
a scientist says.

http://www.world-science.net/othernews/121014_sound


* Amateur rediscovers lost asteroid:
A determined hobbyist made the finding in a
collaboration with the European Space Agency.

http://www.world-science.net/othernews/121012_asteroid


* Fossil said to be earliest to show complex brain:
A worm-like ancestor of insects, spiders, crabs and
lobsters sheds light on how brains evolved,
scientists report.

http://www.world-science.net/othernews/121010_brain


* Giant black holes from chaotic early era coming
to light:
Cutting-edge sky surveys have revealed a previously
unseen group of giant, fast-growing black holes,
astronomers say.

http://www.world-science.net/othernews/121009_blackholes


* Genes thought to affect IQ might not:
Most genes long believed to be tied to intelligence,
just aren't, new research concludes.

http://www.world-science.net/othernews/121002_intelligence


* Slave ant "rebellions" found to be common:
Ants held as slaves in nests of other ant species
often damage their oppressors through sabotage,
according to new research.

http://www.world-science.net/othernews/120926_ants


* Street coyotes more faithful than people, study 
suggests:
Scientists who sampled 236 coyotes in the Chicago
area said they found not one case of abandoning or
cheating on mates.

http://www.world-science.net/othernews/120926_coyotes


ADDITIONAL NEWS


* Pesticide link to bee dieoffs questioned:
http://www.world-science.net/othernews/120922_honeybees

* Signs of "ancient stream" on Mars:
http://www.world-science.net/othernews/120927_stream

* Windows could capture solar energy:
http://www.world-science.net/othernews/121011_solar

* Not getting sleepy? Brain scans may reveal why 
some can't be hypnotized:
http://www.world-science.net/othernews/121005_hypnosis

* Scientists measure cosmic "exit door":
http://www.world-science.net/othernews/121004_blackhole

* Honor and revenge: how tribal warfare sheds light 
on modern conflict:
http://www.world-science.net/othernews/121003_amazon

* Next moon rover could be a boat -- on Titan:
http://www.world-science.net/othernews/120930_titan

 

*****************************



World Science homepage
Don't forget to visit our homepage for Science In
Images; links to top science news from other publi-
cations; and other recent World Science stories!

http://www.world-science.net


World Science archives
To new readers especially: you need not miss our ex-
citing past stories, though they won't appear in future
newsletters. See archives for any year by typing that 
year after the homepage address: for example, 

http://www.world-science.net/2007


More information
This is the World Science newsletter. To cancel your 
subscription, please reply to this email address with
"cancel" in the subject line. To subscribe, write to 
this email address with "subscribe" in the subject 
line. To change the address where you receive the 
newsletter, simply subscribe the new address and 
cancel the old one.
Any World Science article may be reproduced on 
another website, on condition that it is reproduced 
along with a link to the World Science homepage, 
http://www.world-science.net. Linking to the page of 
the original article is optional.