Even after 20 million years of evolutionary separation, two tiny worm species show astonishingly similar patterns in how they turn genes on and off. Scientists mapped every cell s activity during ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

The Earth as we know it today is the result of billions of years of geological activity, where continents have shifted, ...

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