News
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AstronomySizing up small stars
Astronomers have for the first time measured with high precision the size of a small star, Proxima Centauri, the known star nearest to the solar system.
By Ron Cowen -
PhysicsIcicle waves go with the flow
A new model of icicle growth may explain the strange fact that ripples often found on those icy spikes typically sit about 1 centimeter apart, whether the icicles themselves are big or small.
By Peter Weiss -
Viral enzyme tackles strep throat
An enzyme from viruses that chew up bacteria may be a new kind of antibiotic.
By John Travis -
TechDeadly Bubble Bath: Ultrasound fizz kills microbes under pressure
A modest pressure increase on a liquid agitated by ultrasound dramatically boosts the microbe-killing power of those high-frequency sound waves.