So we shouldn't act like beasts and spite it. Lead aprons during dental visits is only the very tip of the iceberg. Our DNA separates us from the beasts, but just barely. The other thing that separates us from the beasts, at least in theory, is simply that we don't act like beasts. We don't act like beasts.
Plutonium is the deadliest substance known to mankind.
This is a universally accepted truth. Prevent a disaster at launch. Prevent a disaster prior to leaving earth's gravitational pull. Prevent a disaster by carefully aiming the Cassini space probe 312 miles above earth during a 1999 flyby. Prevent a disaster at launch.