Brie and Camembert are both soft-ripened French cheeses but develop their rinds from different Penicillium mold strains.

Worcestershire sauce contains fermented anchovies — many people who eat it vegetarianly don't realize this.

Orcas teach hunting.

The law of conservation of energy states that energy cannot be created or destroyed, only transformed.

Repeated exposure increases perceived significance.

The Great Wall of China stretches over 13,000 miles.

Pineapples take about two years to grow to full size.

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

Peanuts are used in the production of dynamite — they contain glycerol which can be processed into nitroglycerin.