THIS DAY IN SCIENCE: Children's Cells Living In Mothers' Brains in 2012

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How Can You See an Atom?

How Can You See an Atom?

Since ancient Greek times, philosophers and scientists have tried to figure out what an atom looks like. For a couple thousand years, humans could only speculate on the structure and other properties of the smallest unit of matter. It wasn’t until the 1980s that...
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