Why does puberty trigger us to stop growing?

All animals start out as a single-celled organism and then start growing. At some point, of course, they need to stop getting bigger, but the process by which this happens is poorly understood.

Is anything absolute with relativity?

The theory of relativity is at once simple and elegant but also maddeningly nonintuitive. There's no need to get into the full guts and glory of that theory here, but there is one feature of Einstein's work that takes center ...

Quantum 'magic' could help explain the origin of spacetime

A quantum property dubbed "magic" could be the key to explaining how space and time emerged, a new mathematical analysis by three RIKEN physicists suggests. The research is published in the journal Physical Review D.

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