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

Many world mythologies feature a world tree connecting different realms — Yggdrasil in Norse myth, Ashvattha in Hinduism.

High-altitude mountaineers can lose up to a pound of weight per day on extreme climbs due to calorie burn and dehydration.

The Tour de France cyclists burn approximately 8,000 calories per stage — more than 3 times a normal person's daily need.

Pistachios are technically drupes — the same fruit category as peaches, plums, and cherries.

The ancient Romans used fermented fish sauce called garum as their primary condiment, similar to how salt is used today.

Butterflies taste with their feet using taste receptors on their tarsi.

About 1 in 5 deaths worldwide is linked to poor diet.

In 2003, a city in Belgium experienced a massive potato-based protest over french fries.