When mimicry saves lives

The public is wary of non-human organ donors but a genetic modification to pig tissues could shorten transplant queues, argues Ian Wilmut.

Bottom line on obesity

Body size is largely inherited, a fact ignored by a recent health committee report, writes Vivienne Parry.

Forget me not

Giles Foden is disappointed by a worthy project that fails to deliver as he tackles Henning Mankell's I Die, But the Memory Lives On