News
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AnthropologyAncient islanders get a leg up
A new analysis of bones from a tiny evolutionary cousin of people found on a Pacific island indicates that these late Stone Age individuals carried a lot of weight on short frames and had extremely strong legs.
By Bruce Bower -
Health & MedicineAn aging protein?
The defective protein that, when defective, causes a premature-aging disease may also play a role in normal aging.
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AstronomyCrust on a star
By analyzing X rays generated by the rumblings of a neutron star 40,000 light-years from Earth, astronomers have estimated the thickness of the dense star's crust.
By Ron Cowen -
Blood Sucker: Like the adult heart, the developing heart takes advantage of suction
The embryonic heart works more like the adult heart than scientists had long assumed.