The discovery of the molecule Si-C-Si in space

The space between stars is not empty—it contains a vast reservoir of diffuse material with about 5-10% of the total mass of our Milky Way galaxy. Most of the material is gas, but about 1% of this mass (quite ...

dateJun 29, 2015 in Astronomy
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Working out in artificial gravity

Astronauts on the International Space Station (ISS) have a number of exercise options, including a mechanical bicycle bolted to the floor, a weightlifting machine strapped to the wall, and a strap-down treadmill. ...

dateJul 02, 2015 in Space Exploration
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The cosmic start of lightning

Even though lightning is a common phenomenon, the exact mechanism triggering a lightning discharge remains elusive. Scientists at the Dutch national research institute for mathematics CWI, the University ...

dateJul 01, 2015 in General Physics
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Lady, you're on the money

So far, women whose portraits appear on U.S. money have been a party of three. Excluding commemorative currency, only Sacagawea, Susan B. Anthony and Helen Keller appear on coins in general circulation, according ...

dateJul 03, 2015 in Other
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