"Ever wondered what happens to your body if you don't get enough water? Our bodies are mostly water by weight, so in today's episode of SciShow Hank explains what happens to your body as it starts to shut down when you go without that tasty H₂O."--

Exploring water from a baby's perspective, this video combines scenes of water in the bathtub, the deep blue sea, rivers, and lakes with visuals of silly puppets, toys, happy children, and the music of Handel, Telemann, Beethoven and Stauss.

When Dave Drayton notices a stange mist on the lake, he does not think much of it. When his son, Billy, his neighbor Brent Norton, and himself travel to the grocery store, strange things begin to happen. On their way to the market, they see the army, the local firefighters and police, heading toward the mist. When he sees this, Brent mentions something about "Project Arrowhead," a secret military plan that no one knows about. All of the store's shoppers...