All Stories
- Humans
Facebook users keep it real in online profiles
College students on Facebook display their real personalities, not reinvented selves, a new study suggests.
- Health & Medicine
Germs in tobacco are potential source of respiratory infections blamed on smoking
Tests find hundreds of bacterial species in major cigarette brands.
- Health & Medicine
Chip of tooth tells radiation dose
A two-milligram dot of tooth enamel serves as a radiation dosimeter.
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- Life
Hydrothermal vents sometimes colonized from afar
Deep-sea currents can waft larvae hundreds of kilometers.
- Plants
Losing life’s variety
2010 is the deadline set for reversing declines in biodiversity, but little has been accomplished.
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The carbon footprint of industrial whaling
Blog: Over the past century, whale hunting released 128,000 Hummers’ worth of carbon into the atmosphere
- Health & Medicine
Carotid procedures test about equally
Study finds similar stroke risks after surgery or stents.
- Health & Medicine
U.S. women still have higher stroke incidence than men
Research suggests possible link to abdominal fat.
- Health & Medicine
Compound might facilitate stroke recovery
Animal study finds regrowth of brain cells with natural protein fragment.
- Health & Medicine
Coffee associated with lower stroke risk
Study finds java drinkers 71 percent as likely to have had stroke as nondrinkers.
- Physics
Hogan’s noise
A cosmologist suggests a novel way to uncover the nature of spacetime on the smallest scales.
