Tomatoes were once thought to be poisonous in Europe because they're part of the nightshade family.

The world's most expensive spice, saffron, requires 150,000 hand-picked crocus flowers to produce one kilogram.

Butterflies can see ultraviolet patterns on flowers.

Ancient Romans ate a breakfast food called ientaculum — often bread dipped in olive oil or wine.

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

Maple syrup is 66% sugar by weight, with over 300 flavor compounds contributing to its complexity.

Urban heat islands can be 7°C warmer than surrounding rural areas due to heat-absorbing concrete and reduced vegetation.

The refrigerator allowed long-term food storage.

People in positive moods make more creative decisions; negative moods favor analytical thinking.