News
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EnvironmentAn acid found in soil may make a disease killing deer less infectious
An incurable neurodegenerative disease crippling North American deer, elk and moose may be thwarted by an organic soil compound.
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AnimalsA jumping spider mom nurses her brood for weeks on milk
Even after spiderlings start hunting for themselves, they come to mom for milk.
By Susan Milius -
ArchaeologyStone-tool makers reached North Africa and Arabia surprisingly early
Ancient Homo species spread advances in toolmaking far beyond East Africa.
By Bruce Bower -
AstronomyAstronomers have measured all the starlight ever emitted
Astronomers used distant blazars to tally up all the stray photons roaming through space.