More from Bob Holmes
Explore the latest news, articles and features
Life
Why giants don’t eat meat
News
Life
Why lions are smaller than elephants
News
Earth
Bag a trophy, save a species
News
Earth
Bag a trophy, save a species
News
Humans
Review 2006: Evolution in action
News
Earth
Canada heads for a showdown over Kyoto
News
Life
Males with a version of the menstrual cycle
News
Life
Males with a version of the menstrual cycle
News
Life
Just a few genes can keep species apart
News
Earth
The problem with cutting swathes into rainforests
News
Life
Hunters get the hots for ‘endangered’ animals
News
Health
The rules of contagion
Features