Backyard Science
Episode 4
S2 E204:
Construct a super clubhouse for your caterpillars, find out why two eyes are always better than one, grate up potatoes and discover why they’re chock full of energy-giving starch, make a boomerang that always comes back and design your own groovy T-shirt. Make your own detergent powered racing boat, discover why dog sleds travel faster over freezing ice, find out why your pupils open and close when it’s dark or light and make a tissue suck water up a flower stem.