What do the ginkgo (a tree), the nautilus (a mollusc) and the coelacanth (a fish) all have in common? They don't look alike, and they aren't biologically related, but part of their evolutionary ...

Staff at the National Museum of Kenya display a coelacanth caught in 2001 A "fossil" fish can live for an impressively long time - perhaps for up to a century, according to a new study.