The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
You forget 90% of your dreams.
256
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Your thumb is about the same size as your nose.
124
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
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