Mushrooms produce vitamin D when exposed to UV light — they're the only plant-based food to do so.

Wild salmon gets its pink color from eating krill and other crustaceans containing carotenoid pigments.

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

The flavor of artificial strawberry is based on a single variety of wild strawberry that no longer commercially exists.

Pineapple contains bromelain, an enzyme that breaks down proteins — it will literally digest your mouth if you eat too much.

The average person breathes about 22,000 times per day.

The word 'cereal' comes from Ceres, the Roman goddess of grain and harvest.

The Sydney Opera House features a distinctive shell-like design.

Lemons float but limes sink — limes are slightly denser than water.