World Science: Dolphins may remember companions more than 20 years
* Dolphins found to remember their friends at
least 20 years:
Dolphins can recognize their old companions'
whistles even after long separation, research
* Blast lights up invisible galaxy from "dark ages":
A brilliant flash traveled across space for 12.7
billion years to a planet that hadn't even existed
back then -- Earth.
* Evolution punishes selfish jerks over time, study finds:
Two biologists have published evidence that
evolution doesn't favor the selfish -- disproving,
they claim, a theory popularized last year.
* Planet outside our system assigned a color for
A nearby "hot Jupiter," where it possibly rains
glass sideways, happens to be cobalt blue,
* Scientists probe how Inca kids were drugged for sacrifice:
Children of the ancient Inca Empire may have
consumed intensifying doses of alcohol and coca leaf
for as long as a year before a ritual slaughter.
* Did monogamy arise to prevent infanticide?:
Infanticide, the killing of infants, is widespread
among apes and other evolutionary relatives of humans.
* More TV linked to problems in toddlers:
* Warming seen driving fish toward poles at
* Scientists: our gold came from colliding neutron stars:
* "False memories" planted in mice:
* Could cancer cells' sugar addiction be their undoing?:
* Exercise may help stave off Alzheimer's:
* "Inflation" theory of infant cosmos may need revision:
* Adolescence may be key time when pot harms
* Love hormone may also cause emotional pain:
* Evolution is predictable, study suggests:
* "Intelligent knife" tells surgeon where the cancer is:
* Big-nosed, long-horned dinosaur found:
* A reputation restored? Finding suggests T. rex
hunted for real:
* Someone needs to eat these things, say scientists
shocked by lionfish surge:
* "Virtual schoolgirl" designed to trap online perverts:
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