World Science: Mysterious dust in a distant solar system
* For healthy mental aging, brain games may
fill in for schooling:
People with less education can avoid the increased
risk of memory loss, a study suggests.
* Distant solar system forming from mysterious
dust, scientists say:
A far-off solar system seems to be forming from a
strange dust whose makeup is unlike that of our and
other solar systems.
* Baby temperament found to predict adult brain
Four-month-old infants' temperament predicts some
aspects of their brain structure at age 18,
* "Punisher" of the seas is a little finned janitor:
For small fish known as cleaner wrasse, stepping
into the line of fire reaps huge rewards, according
to a new study.
* "Golden ratio" hints at hidden atomic
A hitherto undiscovered order can be found in solid
matter at very small scales, physicists are reporting.
* Hubble reveals "uncharted" cosmic zone:
The space telescope has uncovered a primordial
population of small, ultra-blue galaxies, according
* "Lifeless" molecules found to evolve, adapt:
Prions -- infectious molecules that cause fatal
brain diseases -- can evolve in a Darwinian fashion,
* Mosquito lovers "sing" in harmony:
The insects responsible for the most malaria deaths
find mates by using their wingbeats to produce tones
that agree, a study reports.
* Power promotes hypocrisy: study:
Behind 2009's scandal-ridden headlines lies a deeper
psychological pattern, researchers claim.
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