Too much math. YouTube: Neil deGrasse Tyson explains the logic behind the leap year, with a brief history in calendars as well.
posted by PlayhousePals 8 years 2 months 3 weeks ago • 133 views • 3:22Videos (25) | Sift Talk (0) | Blogs (0) | Comments (1000) |
This is a great idea for a new series from Simon Tofield! Love it! YouTube: Simon’s Cat Logic is a fun new series where we speak to a Cat Behaviour Expert at Cats Protection (http://www.cats.org.uk)... continue reading
posted by PlayhousePals 8 years 3 months 3 weeks ago • 1,383 views • 4:53Via How to Turn Your Kid Into a Coder http://www.thinkfun.com/codemaster
posted by lucky760 8 years 7 months 3 weeks ago • 566 views • 1:59An interesting riddle - can you sifters solve it, without resorting to the solution in the video (from 1:25)? iflscience: The following riddle is claimed to have been written by Einstein as a boy. It's... continue reading
posted by Zawash 8 years 8 months 1 week ago • 52 views • 5:08