John Edmund Kerrich was a maths professor when the Nazis invaded Copenhagen in Denmark. He was captured and imprisoned for being English, which is the sort of thing Nazis did back then. But did being put behind bars put Kerrich off mathematics?

When Mr Ba Chat leaves the room, it is left in darkness. When he leaves the house, the plug points are disconnected. When he sits in an air-conditioned room, the doors are closed. When he sits in a room during the day, the curtains are open and the lights off.

Bio-warfare is something that has been around for centuries, but we only understand its madness now.

Did you know that if cultivated properly, microorganisms, especially bacteria and viruses, could be used to starta war? It’s not cool. It’s as dangerous as a nuclear war.

History has seen much cruelty done to animals in the name of progress. The worst of this happens during wartime. In this edition of ‘Evil Science’, we look at how animals have been used as a delivery mechanism for bombs. If violence and brutality upsets you, you won’t like what you read in this article.

The notorious history of junk mail

1978

The story of spam begins when a group of four hundred unsuspecting people receive an advertisement in their email inboxes, sent out by Gary Thuerk, marketing manager of Digital Equipment Corporation. Later, he comes to be known as the ‘Father of Spam’.