Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Lurch, a Watusi bull, had the largest horns in the world.
32
A cow produces around 200,000 glasses of milk in her lifetime.
373
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14