The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
In Jurassic Park, the T-Rex wasn't supposed to come through and break the glass roof of the explorer during the attack scene, subsequently producing the noticeably genuine screams from the children.
9
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
The human brain doesn't stop developing until about 25 years old.
102
In Australia, there are spiders big enough to eat snakes.
20