White chocolate is not technically chocolate — it contains no cocoa solids.

Sushi originally referred to fermented fish preserved in salt and rice — the rice was discarded before eating.

Cashews always come roasted because raw cashews contain urushiol, the same toxin as poison ivy.

The Boston Tea Party took place in 1773.

Butterflies taste with their feet using taste receptors on their tarsi.

Orcas teach hunting.

Vulcanization — treating rubber with sulfur — transformed a sticky, temperature-sensitive material into durable industrial rubber.

Peanuts are not nuts — they're legumes, more closely related to beans.

Socrates was sentenced to death for his teachings.