39:59

LOSS of CONTROL! What Went Wrong on Delta Flight 1086

35:57

When Instruction Goes HORRIBLY Wrong! Braniff International Airways

1:18:34

UPS Flight 2976 Crash - Pilots React LIVE

1:46:08

Refueling a NUCLEAR REACTOR - Smarter Every Day 311

58:27

I Accidentally Bought TWO Non-Running Humvees at a Government Auction