In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The largest breed of rabbit is the Flemish Giant.
65
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140