Under Pressure
S16, E18: Every aspect of our lives involves pressure. It's what puts the bubbles in soft drinks, propels shaving cream from its can, cools the contents of your refrigerator and causes volcanoes to erupt.

S16, E18: Every aspect of our lives involves pressure. It's what puts the bubbles in soft drinks, propels shaving cream from its can, cools the contents of your refrigerator and causes volcanoes to erupt.