Arctic Facts

One percent of Greenland's population lives in a single apartment building!

A polar bear's skin is black Its fur is not white either. Each hair is clear and hollow, and only looks white because it scatters light like snow.

The Svalbard Global Seed Vault is drilled over 100 metres into an Arctic mountain in Norway, keeping more than 1.3 million seed samples frozen - even if the power fails, the permafrost keeps them safe. Syria's conflict made the Aleppo seed bank inaccessible - and researchers made the first-ever withdrawal to rebuild it.