sixpenceee: Here are some common myths debunked and other interesting
thenewenlightenmentage: Speed of a Planet’s Rotation Has Huge
neurosciencestuff: How we form habits and change existing ones
thedragoninmygarage: Edited for tumblr :) This goddamm fucking
humanoidhistory: The Space Shuttle Discovery lifts off from
buggirl: Thank you, sun-of-another-universe for your generous