Tim Urban @waitbutwhy
Whatever sucks about your life, at least you're not in the Hadean Eon. For 500 million years, Earth's surface temperature was 3,000ยบ F, the atmosphere was thick with CO2, everything was radioactive, there were constant asteroids and volcanic eruptions, and giant seas of lava. https://t.co/xnVZnxU8EQ — PolitiTweet.org
