Life
Journeys of a lifetime: How your bones began in a star’s core
Find out how 13-billion-year-old calcium atoms forged in the stars got to be part of your bones – and how you may one day become stardust again
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Find out how 13-billion-year-old calcium atoms forged in the stars got to be part of your bones – and how you may one day become stardust again
MRI scans of a man's fingers being pulled until his joints popped disproves the theory that the noise comes from the collapse of an air bubble