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Suppose you built an entire periodic table yourself

This is your chance to meet the What If team! Which challenge should Peter do next? The best comment will have a Zoom meeting ...
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Harvard professor claims 3I/ATLAS emits a 'heartbeat'-like pulse that could signal alien technology

Harvard astrophysicist Avi Loeb has made a kind of second career out of being the person in the room who refuses to leave “aliens” off the table. With 3I/ATLAS, only the third confirmed interstellar ...