The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
You forget 90% of your dreams.
256
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Cows can sleep standing up, but they can only dream lying down.
745
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.
25
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21