The Size of the Moon - Objectivity 289
21:34
The Head Librarian (Keith Moore Q&A) - Objectivity 227
22:12
Keith's Building Tour - Objectivity 231
5:30
The Moon's Orbit is WEIRD
13:01
The Change from Roman Numerals - Numberphile
12:26
Los fenómenos de las nuevas estrellas - Objetividad 291
25:34
Where do particles come from? - Sixty Symbols
12:34
The Tragic Decline Of Firefox...What Happened?
12:04