
Neil deGrasse Tyson @neiltyson
@RichardDawkins Stuff you never knew about tides: [Video: 13m] https://t.co/PjbPGrIpbx p.s. A full treatment of tides on Earth eluded both Galileo & Newton, until the the 19th century treatise "Tides and Kindred Phenomena" by George Howard Darwin. Yes, son of Charles. — PolitiTweet.org