In 1955 a racecar in Le Mans, France crashed killing the driver and over 80 spectators. It is racing's deadliest accident.
Motorcyclists over 40 represent half of all U.S. riders and also half of all cycle crash fatalities.
One of every 1,000 skydivers will die while making a jump.
In 1996 an asteroid almost 1/3 of a mile wide passed within 280,000 miles of Earth, the largest observed object to come that close. It was discovered only four days before its close encounter with out planet.
Narrator: 3,000 pounds of racecar our of control, motorcycles crumple in high speed smashups, a woman hits the Earth from over 10,000 feet with a failed parachute. From colliding asteroids to subatomic particles, now, Crashes, on Modern Marvels.