Lurch, a Watusi bull, had the largest horns in the world.
32
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31