World Science: Hormone inspires animal 'babysitting'
* Hormone inspires animal "babysitting":
Researchers have long turned to animals to study how
cooperation evolved. New findings highlight the role
of hormones, they say.
* Researchers develop method to view Sun's far side:
A new technique is said to make the Sun's hidden
face fully visible for the first time.
* Scientists to probe ethical complaint over "hand-
A Turkish scientists' group announced plans to look
into ethical complaints against three U.K.
researchers, who meanwhile broke a long silence on
* Saturn moon may have liquid water:
Researchers say evidence of water reservoirs
erupting in geysers on the moon Enceladus may expand
the search for alien life.
* Study examines how humans are still evolving:
Scientists report finding more than 700 genetic
variants that evolution may have favored in the
past 10,000 years.