A clone is meant to be a genetically identical copy, but an extraordinary 20-year study has shown that this isn’t, in fact, the case. It reveals that clones have lots of extra mutations and, if you ...

Academic experts like Henry Shevlin, a philosopher of cognitive science and AI ethicist at the University of Cambridge in the U.K., get plenty of emails every day. But one that landed in Shevlin’s ...

Bellwether trials are complicated but consequential. Pulled from a morass of claims, they’re designed to test how a jury responds to a broader legal theory. Often, they fall flat. Today in a ...

Clones had mutations triple the rate of normal mice By the 58th generation, clones died within days of birth 1,206 cloned mice were generated from 2005 to 2025 Clones pass all their defective genes to ...

Mark Zuckerberg wants everyone inside and outside his company to eventually have his or her own personal artificial-intelligence agent. He is starting with himself.