News
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SpaceExistence of habitable exoplanet questioned
A Swiss team has failed to confirm what has recently been claimed to be the first planet outside the solar system that might be right for life.
By Ron Cowen -
ChemistryGuards of the blood-brain barrier identified
Specialized cells called pericytes are crucial to protecting the central nervous system, two new studies demonstrate.
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LifeMore than a chicken, fewer than a grape
A decade after the completion of the Human Genome Project, the exact number of human genes remains elusive.
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SpaceCSI: Asteroid Belt
Astronomers hunt clues in the rubble of a recent collision between two space rocks.
By Ron Cowen -
LifeNew species a little nipper
A mongoose-like creature from Madagascar is the first new carnivore to be discovered in more than two decades.
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Health & MedicineImplants help heroin addicts kick habit
Installing a slow-release drug under the skin enables some abusers of illicit and prescription drugs to get through withdrawal, a new study shows.
By Nathan Seppa -
Planetary ScienceA comet’s tail
Already under observation by astronomers, Hartley 2 will be visible in dark skies when it passes Earth on October 20.
By Ron Cowen -
LifePterosaurs might have soared 10,000 miles nonstop
Flight analysis suggests ancient reptiles were record setters.
By Susan Milius -
Health & MedicineMice robbed of darkness fatten up
Time of day can affect calories' impact, a study shows.
By Janet Raloff -
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Health & MedicineHow being deaf can enhance sight
Hearing-specialized brain regions can adapt to processing visual input, cat experiments show.
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Science & Society2010 Nobels recognize potential of basic science to shape the world
Prizes go to IVF, graphene and ‘carbon chemistry at its best’