News tagged with system

The origins of polarized nervous systems

(Phys.org)—There is no mistaking the first action potential you ever fired. It was the one that blocked all the other sperm from stealing your egg. After that, your spikes only got more interesting. Waves ...

Mar 03, 2015 report
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New binocular nova discovered in Sagittarius

Looks like the Sagittarius Teapot's got a new whistle. On March 15, John Seach of Chatsworth Island, NSW, Australia discovered a probable nova in the heart of the constellation using a DSLR camera and fast ...

Mar 17, 2015
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Leaf odor attracts Drosophila suzukii

In 2014, more spotted-wing Drosophila suzukii than ever before were observed in Germany. This pest lays its eggs in fresh and ripening fruits before they are harvested. Infested fruits are often additionally ...

Mar 18, 2015
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Giant methane storms on Uranus

Most of the times we have looked at Uranus, it has seemed to be a relatively calm place. Well, yes its atmosphere is the coldest place in the solar system. But, when we picture the seventh planet in our ...

Mar 02, 2015
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Evolution of the back-to-belly axis

Most animals have a dorso-ventral (back-to-belly) body axis, which determines for instance the localized position of the central nervous system, dorsal in humans, ventral in insects. Surprisingly, despite ...

Mar 18, 2015
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A close call of 0.8 light years

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system's distant cloud of ...

Feb 17, 2015
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