As a whole, the continent at the bottom of the Earth has warmed by roughly half a degree Celsius in the last 50 years - cold comfort for climatologists.

There has not been much change in rainfall in those areas but the temperature has risen by over 1 degree Centigrade since 1970, which will have enhanced losses due to evaporation.

Now imagine hearing it during a night that can last for months and where temperatures drop as low as - 37 degrees Celsius.

Laptops can raise the temperature of parts of their case to above 50 degrees Celsius.

Winter in this area was extremely cold. The temperature often dropped to sixty degrees below zero Celsius.