After the first complete sequence of a human genome is obtained, the next challenge will be to discover and understand the function and variation of genes and, ultimately, to understand how such ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Editor’s note: Clive Thompson answered readers’ questions about this article on ...

In the UK, much of our electricity is supplied by generators in power stations. A generator is a magnet that is placed at the centre of a wire coil. Rotating the magnet produces an electric current.