Why Do We Still Use 'Knots'?
15:10
Why Our Counting System is Biased
16:56
Neil deGrasse Tyson Explains the REAL Length of Day
25:07
The Greenwich Meridian is in the wrong place
18:48
Matt Gaetz Withdraws as Trump's Attorney General Nominee
16:45
The Tipping Point I Got Wrong | Malcolm Gladwell | TED
9:11
The Reason We Have 7 Days in a Week
19:48
Why Are Cooling Towers Shaped Like That?
8:29