Jason Silva explains why competition is an instinct and has positive contributions to humans.

Penrose describes his black hole theory, which sparks an idea in Stephen's mind. Stephen reverses Penrose's theory and develops one of his own. Stephen suggests that the universe was born from a black hole exploding. The black hole has such strong space-time singularity that nothing can escape from it, even light. The black hole is triggered by the collapse of a star.

Four-year-old Brielle teaches Ellen and the audience about the skeletal system. She identifies several bones, including the Clavicle, Skull, Patella, Scapula, and Sternum, and explains their function.

Lester is challenged to use only a piece of string to pick up a piece of ice without touching it. USing salt, he sprinkles it on the ice and wets the string and sits it on the ice. After about 2 minutes, the string is now frozen to the ice and it can be picked up. This is because salt lowered the freezing point of water and now the water on the string can freeze to the ice cube.

A guy named Yasuhiro Kubo had break the World Record by sky diving to catch up the parachuete that throw out 50 seconds before him. Terminal velocity and surface area that affect air resistance play roles in the freefalling allow him to safetly land to the ground.