News tagged with age

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A song of fire and ice in the ocean

Cyclic changes in the tilt of the Earth's axis and the eccentricity of its orbit have left their mark on hills deep under the ocean, a study published in Science has found.

Feb 10, 2015
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Greenhouse gases linked to African rainfall

Scientists may have solved a long-standing enigma known as the African Humid Period - an intense increase in cumulative rainfall in parts of Africa that began after a long dry spell following the end of the ...

Dec 04, 2014
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Is the sun at solar minimum?

We generally think of the Sun as a constant in our lives. It rises and sets regularly, and seems to be an unchanging sphere of brilliant light. In fact the Sun has a turbulent surface with prominences that ...

Oct 03, 2014
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