Why Alien Life Would be our Doom - The Great Filter

The first 688 people to use this link will get 20% off their annual membership: Thanks a lot to Brilliant for supporting this channel. Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain. Kurzgesagt Newsletter: Support us on Patreon so we can make more videos (and get cool stuff in return):