Vote
72
19
report video
Steve's Grammatical Observations: The Misuse of Apostrophe's
Posted 15 years ago by lamar in category: interesting   Comments (6)

Vote
70
17
report video
You live in the past
Posted 12 years ago by boyt in category: interesting   Comments (0)

Vote
63
10
report video
Guns in Space
How orbit works and more
Posted 11 years ago by boyt in category: interesting   Comments (0)

Vote
64
11
report video
Why Are American Health Care Costs So High?
Posted 10 years ago by boyt in category: interesting   Comments (6)

Vote
58
5
report video
How Many Countries Are There?
Posted 10 years ago by Flow in category: interesting   Comments (0)