The human brain doesn't stop developing until about 25 years old.
102
Scientists lit a cave of natural gas on fire in 1971 expecting it to only burn for a few days; it still burns to this day. It has been nicknamed "The Door to Hell".
19
In Australia, there are spiders big enough to eat snakes.
20
An average person’s yearly fast food intake will contain 12 pubic hairs.
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