News
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HumansHigh court gives EPA a partial victory
The U.S. Supreme Court ruled that the Environmental Protection Agency can implement tougher controls on tiny airborne particulates that can get deep inside people's lungs.
By Janet Raloff -
PaleontologyJumbled bones show birds on the menu
A fossilized pellet of partially digested bones of juvenile and baby birds provides the first evidence that birds served as food for predators.
By Sid Perkins -
PaleontologyFirst brachiosaur tooth found in Asia
A fossil tooth found along a dinosaur trackway in South Korea is the first evidence that brachiosaurs roamed Asia.
By Sid Perkins -
Health & MedicineNew drug to treat blood poisoning
For the first time, a drug has reduced deaths from severe sepsis, a life-threatening immune reaction occurring in 750,000 people in the United States each year.