News
- 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.
- 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.
- Health & Medicine
Cooling stroke patients from the inside out
A treatment that induces hypothermia proves safe in an early test.
- Chemistry
Naming an atomic heavyweight
More than a decade after its debut in a German lab, element 112 is officially named copernicium.
- Ecosystems
Sea of plastics
Oceanographers are finding more patches of floating polymers, some up to 20 meters deep.
- Life
Ultraviolet freckles start fish fights
Two damselfish species use short wavelengths to recognize rivals’ spots.
