News
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- Health & Medicine
Morning birds buckle under sleep pressure
Sleep pressure helps set the circadian clocks of early birds and night owls.
- Plants
Oops, missed that tree
Until now, an acacia common in its African homeland had no scientific name
- Chemistry
Yeast bred to bear artificial vanilla
Researchers have co-opted fungi to produce the flavor more efficiently.
- Animals
Ants do real estate the simple way
Tracking ants with anti-shoplifter RFID tags has inspired a new, simplified view of how a colony finds a home
- Earth
A little air pollution boosts vegetation’s carbon uptake
Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.
- Earth
Fossil of a walking seal found
A fossil skeleton discovered in the Canadian Arctic could represent a missing link in pinniped evolution.
- Life
Fossil evidence for a Goldilocks tyrannosaur
A newly described species of tyrannosaur helps fill in details about the fearsome meat-eating dinosaurs.
- Agriculture
News from Experimental Biology
Senior editor Janet Raloff blogs from the 2009 meeting gathering dozens of societies together in New Orleans
- Health & Medicine
Childhood leukemia worsened by genetic mutations
Mutations in JAK genes make childhood leukemia more dangerous and may offer a target for drug manufacturers.
- Life
New neurons don’t heal
New neurons produced in the brain after a stroke don’t grow into all the cell types needed to heal the wound.
- Space
Smallest exoplanet yet is found
Finding a planet just under twice Earth's size puts astronomers closer to discovering an Earth counterpart.
