Certain cancers can take control of elements of the body’s immune system, tricking immune cells into favouring the growth of cancer cells rather than attacking and destroying them. The deadliness of melanoma comes from its ability to metastasize rapidly to other organs if it is not treated early, and a new study indicates this process may involve manipulation of the immune system.

Insulate Britain’s use of civil disobedience to fight the climate catastrophe was a catastrophe in itself. Search for the pressure group on YouTube and you see clips of delighted rightwing journalists taking apart its leaders. Sympathisers will say that a right wing that has barely recovered from its climate change denial was always going to lay into the activists. But Insulate Britain did not have to make life so easy for its foes.