#28 Neil deGrasse Tyson - What Is Earth's Biggest Threat?
Within Reason
00:00
The Greatest Existential Threat
We plow through several hundred tons of meteors a day. The best preserved crater in the world is in Arizona. There's still plenty of junk that can fall into Earth and kill it. For me, that's the greatest existential threat. But it won't be artificial intelligence.
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