Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A cow produces around 200,000 glasses of milk in her lifetime.
373
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12