News
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Health & MedicineLung function still impaired by dust from World Trade Center
Firefighters and emergency medical teams continue to have breathing problems years after the 2001 terrorist attack.
By Nathan Seppa -
ChemistryAmerican Chemical Society meeting highlights
Read Science News reporters' complete coverage of the recent chemistry conference.
By Janet Raloff and Rachel Ehrenberg -
LifeEating seaweed may have conferred special digestive powers
Gut microbes in Japanese people may have borrowed genes for breaking down nori from marine bacteria.
By Susan Milius -
EcosystemsPigeons usually let best navigator take the lead
One bird usually leads the flock, but sometimes another gets a turn at the helm.
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LifeScientists name large but elusive lizard
Though locals knew of it, the 2-meter cousin to Komodo dragons had escaped scientific description.
By Susan Milius -
LifeGene variants linked to Crohn disease have little effect, study finds
A genetic variant linked to Crohn disease does not raise the average person’s risk of developing the condition, a new study finds.
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ChemistrySuperheavy element 117 makes debut
An international team of researchers fill a gap in the periodic table, and lay another stepping stone along the path to the “island of stability.”
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Health & MedicineLanguages use different parts of brain
Different areas are active depending how the grammar of a sentence conveys meaning.
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ClimateAlaskan peatlands expanded rapidly as ice age waned
The rapid growth of Alaskan wetlands before 8,600 years ago was due to hotter summers and colder winters, which could spell trouble in a warmer world, a new study suggests.
By Sid Perkins -
LifeInsulin-producing cells can regenerate in diabetic mice
Animal study finds that the pancreas can spontaneously regenerate beta cells.
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LifeResearchers figure out how flies taste water
A study identifies the cell membrane protein that flies use to detect water’s flavor.
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LifeWhen two hyenas get the giggles
Laughs of higher-status individuals are more posh, a study in a captive colony suggests.
By Susan Milius