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Black Holes: Where Reality Beats Fiction

We know that at the heart of pretty much every galaxy, there is a giant black hole. There is a lot that we know about black holes — and a lot that we don't know, says astrophysicist Marcelo Gleiser.

When 2 Black Holes Dance, Space Quivers

Just as two kids jumping on a trampoline around each other send waves rippling outwards on the fabric, black holes distort space as they orbit around each other, says astrophysicist Marcelo Gleiser.

American Science And The Nazis

By standing strong against the Nazis, America became a beacon of hope to some of the world's greatest scientists — whose positive effects on American science we still feel today, says Adam Frank.