03/02/2016

Small asteroid to pass close to Earth March 5

A small asteroid that two years ago flew past Earth at a comfortable distance of about 1.3 million miles (2 million kilometers) will safely fly by our planet again in a few weeks, though this time it may be much closer.

The frigid Flying Saucer

The international team, led by Stephane Guilloteau at the Laboratoire d'Astrophysique de Bordeaux, France, measured the temperature of large dust grains around the young star 2MASS J16281370-2431391 in the spectacular Rho ...

Ants don't get Alzheimer's

It's a poignant fact of life: no matter how much we exercise, or how many wheatgrass smoothies we slurp, our bodies still age. As the years pass, skin wrinkles, eyesight falters, hearing fades. It's called senescence—the ...

Leiden physicists entangle four rotating photons

For the first time, scientists have entangled four photons in their orbital angular momentum. Leiden physicists sent a laser through a crystal, thereby creating four photons with coupled 'rotation'. So far this has only been ...

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