Uncategorized
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Earth
Fossil of a walking seal found
A fossil skeleton discovered in the Canadian Arctic could represent a missing link in pinniped evolution.
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Life
Fossil evidence for a Goldilocks tyrannosaur
A newly described species of tyrannosaur helps fill in details about the fearsome meat-eating dinosaurs.
By Sid Perkins -
Agriculture
News from Experimental Biology
Senior editor Janet Raloff blogs from the 2009 meeting gathering dozens of societies together in New Orleans
By Janet Raloff -
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.
By Nathan Seppa -
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.
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Space
Smallest exoplanet yet is found
Finding a planet just under twice Earth's size puts astronomers closer to discovering an Earth counterpart.
By Ron Cowen -
Health & Medicine
Gene could matter in bladder cancer
Among people with a common form of bladder cancer, those with a variant of a certain gene survive twice as long as people with the common version of the gene.
By Nathan Seppa -
Humans
Rapid emotional swings could precede violence
A tool from physics helps link the patterns of psychiatric patients’ symptoms and the likelihood they will commit violent acts.
By Bruce Bower -
Space
Blob may signal monster galaxy feeding
Researchers have found a giant blob of gas and stars, the fourth most distant object known in the universe. The blob may offer the earliest snapshot of a very young galaxy caught in the act of gobbling up material for growth.
By Ron Cowen -
Health & Medicine
A urine test may predict lung cancer risk
A urine test that reveals levels of two tobacco-related compounds may identify which smokers are most prone to developing lung cancer, a new study finds.
By Nathan Seppa -
Humans
Naps may help infants form abstract memories
Napping critically assists 15-month-olds in remembering the underlying structure of the language adults speak to them, a new study indicates.
By Bruce Bower -
Physics
Nanoclusters seem to skirt physics law
In simulations, tiny loophole allows colliding nanoclusters to increase speed after impact.