Schafer: When the kangaroo jumps into the air, it takes the same amount of time to rise as it does to fall. We're going to prove that scientifically. //Schafer takes a basketball, throws it into the air, and catches it, saying: Schafer: Up, down. See, that took about the same amount of time to go up as it did to go down. There's our proof.
Schafer: This is the one with the kangaroo and the boomerang!