Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15
Coffee comes from an edible fruit. The coffee cherry is sweet and tastes like watermelon, rosewater, and hibiscus all at once.
7