A cool trick with hot water at -40C-Now I feel slightly better about the cold weather here

In Omyakon the average January temperature is -46C and frostbite is a constant hazard but the region is rich in gold and diamonds - and Russia is now one of the world's leading diamond producers.

Adam Mynott looks at some of the challenges faced by those living there - and finds out what happens to a cup of hot water when thrown in the air at -40C.

via bbc.co.uk