Could a person survive a leap from a bridge by throwing a hammer in the water first? Is it possible to survive being buried alive? Can cola really remove bloodstains, clean rust or cook a steak?

In this episode the Adam and Jamie test:
1) If a person that fell off a bridge can safe his life by dropping a hammer into the water to break the rigidity of the surface.
2) if a person could be buried avive and still be alive after a few days.
3) several myths related to Cola
#1) Clean up blood.
#2) Polishing Chome.
#3) Desolving rust
#4) Shine a penny
#5) Erode a tooth
#6) Desolving a T-Bone steak
#7) Clean Batery terminals.
#8) Grease Stain remover
#9) De-grease Engine
#10) Ruin Car Paint
#11) Effective Spermicide