The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Lurch, a Watusi bull, had the largest horns in the world.
32
Cows can sleep standing up, but they can only dream lying down.
745
You forget 90% of your dreams.
256
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
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