Strap yourself in as Kari Byron puts firecrackers into stem glasses, sees just how far the human stomach can stretch, and finds out how much clouds weigh. Then, discover what happens when you put an egg into vinegar, and why golf balls have dimples.

Crank up the brain cells as Kari Byron shows how to make the perfect smoke ring, puts termites through their paces and hurls a watermelon from a four-story building. Also, see human projectiles fly through the air, and find out how to dry your cell phone.