Black pepper was once so valuable it was used as currency and to pay ransoms.

Almonds are not nuts — they are the seeds of a fruit related to peaches and plums.

Cashews grow outside the cashew apple fruit — what looks like the nut is actually the seed.

Raindrops are not actually teardrop-shaped — they are spherical when small and flatten into a hamburger bun shape as they grow.

The human genome contains approximately 3 billion base pairs and around 20,000 protein-coding genes.

MSG (monosodium glutamate) is naturally found in tomatoes, aged cheese, and soy sauce — and has no proven link to adverse reactions in controlled studies.

The Pleistocene epoch included repeated glacial cycles.

People can survive weeks without food under certain conditions.

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