What would you pack for a six-month trek on the coldest continent in the world? Bear in mind that there'll be no shops around and no help from home.
Whenever anyone measures educational success, East Asian countries are always top scorers.
We expect companies selling products to make them as available as possible. But now some of them are bringing back rationing.
In the UK, we throw away more than 7 million tonnes of food and drink from our homes every year.
