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

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

Architecture that uses passive solar heating, natural ventilation, and local materials is called vernacular architecture.

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

Great Zimbabwe was a powerful African city-state.

Crows can remember individuals who previously threatened them.

The Great Lakes contain about 20% of the world's surface freshwater.

Chocolate was consumed as a bitter beverage by the Aztecs long before it was made into solid bars.

The color 'orange' was named after the fruit — before oranges arrived in Europe, the color was simply called 'yellow-red.'