Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The largest breed of rabbit is the Flemish Giant.
65
A cow produces around 200,000 glasses of milk in her lifetime.
373
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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