In this issue:
"A Beacon from the Big Bang": The recent discovery of gravitational waves emanating from the early universe could illuminate a connection between gravity and quantum mechanics and maybe even verify the existence of other universes.
"How Diversity Works": Why being around people who are different from us makes us more creative, diligent, and harder-working.
"Saving Coffee": Researchers are racing to breed beneficial new traits into the dangerously homogeneous coffee crop before it succumbs to disease or other threats.
"Twists of Fate": Physical pushes and pulls on a cell – not just genes – determines whether it will become part of a bone, a brain – or a deadly tumor.
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