Pistachios are technically fruits, not nuts.

Caviar from beluga sturgeon is among the world's most expensive foods, reaching $35,000 per kilogram.

Beurre blanc, a classic French butter sauce, is an emulsion that requires precise heat control to avoid breaking.

Protein folding — how a chain of amino acids twists into a 3D structure — is so complex it was unsolved until AI cracked it in 2020.

The identification of vitamins advanced nutritional science.

There are creatures that can survive without oxygen.

A pomelo is the natural ancestor of the grapefruit — grapefruits are a hybrid of pomelo and orange.

The avocado requires a 'pollinator paradox' — its flowers are male and female at different times to prevent self-pollination.

Blue food is extremely rare in nature — most blue-colored foods get their hue from added dye.