A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
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
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13