The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
You forget 90% of your dreams.
256
Lurch, a Watusi bull, had the largest horns in the world.
32
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