World Science: How awful sounds affect our brains
- * Nasty noises: Why do we recoil at unpleasant
Nails scratching a blackboard and other disturbing
noises trigger a seemingly primitive brain response,
a scientist says.
* Amateur rediscovers lost asteroid:
A determined hobbyist made the finding in a
collaboration with the European Space Agency.
* 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,
* Giant black holes from chaotic early era coming
Cutting-edge sky surveys have revealed a previously
unseen group of giant, fast-growing black holes,
* Genes thought to affect IQ might not:
Most genes long believed to be tied to intelligence,
just aren't, new research concludes.
* 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.
* Street coyotes more faithful than people, study
Scientists who sampled 236 coyotes in the Chicago
area said they found not one case of abandoning or
cheating on mates.
* Pesticide link to bee dieoffs questioned:
* Signs of "ancient stream" on Mars:
* Windows could capture solar energy:
* Not getting sleepy? Brain scans may reveal why
some can't be hypnotized:
* Scientists measure cosmic "exit door":
* Honor and revenge: how tribal warfare sheds light
on modern conflict:
* Next moon rover could be a boat -- on Titan:
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