YouTube description: The history of the Earth from its formation to present day, covering major events throughout its 4-billion-year history. Estimates of average temperature, atmospheric composition,... continue reading

posted by Aard Vark (oritteropo) 5 years 2 months 4 weeks ago • 809 views • 11:36

YouTube description: This Valentine’s Day, send a little love to your bacterial buddies! Our microbes keep us healthy, but some bacteria give their animal companions superpowers, like immunity to... continue reading

posted by Aard Vark (oritteropo) 6 years 2 months ago • 245 views • 12:11

"... an educational video produced by The Computer Museum and hosted by David Neil of PBS's Newton's Apple. Join David Neil and his four young companions on an entertaining and illuminating trek through... continue reading

posted by ant 6 years 5 months 2 weeks ago • 30 views • 26:32

YouTube description: Check out how cats became our favorite little murder machines. To learn how dogs and humans got together, watch the companion video over at It's OK To Be Smart: https://youtu.be/tggdERc8E6Y ... continue reading

posted by Aard Vark (oritteropo) 8 years ago • 361 views • 3:05