A cow produces around 200,000 glasses of milk in her lifetime.
373
Cows can sleep standing up, but they can only dream lying down.
745
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