jcolag’s Twitter Archive—№ 788

Alien Transit Systems May Be a Giveaway in the Search for ET scientificamerican.com/article/alien-transit-systems-may-be-a-giveaway-in-the-search-for-et/?utm_content=buffer64f4f&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer I don't quite buy it, but it's interesting