The pig on your plate
That pigs are smart and sensitive is not in doubt. How can we justify continuing to kill them for food?
Which lives matter most?
Thinking about children who are not yet born confronts us with the question of our ethical obligations to future people
The minds of other animals
Animal consciousness is taboo in many areas of biological science. What’s so hard about the inner lives of other species?
Visiting your leg
From morbid anatomy museums to modern consent forms, medicine wants ever more control over your body – and its parts
Made to order
Parents already put their children under intense pressure to compete in the world. Will gene editing make it worse?
To honour donors, we should harvest organs that have the best chance of helping others – before, not after, death
Boys and girls alike
An un-consenting child, an unnecessary, invasive surgery: is there any moral difference between male and female circumcision?
The sorrow of bees
Scientists torturing bees to save them have nightmares about the work. Must grief be part of experimental design?
Boatload of swine
Rafting the Grand Canyon seemed the perfect wilderness escape until we found we’d brought a deadly virus with us
Human industry is now noisy enough to drown out whale songs. What would happen in the ocean if we went quiet?
Earth is not a garden
Some of the world’s most powerful conservationists are giving up on wilderness. They are making a big mistake
Engineering the ocean
Once you know what plankton can do, you’ll understand why fertilising the ocean with iron is not such a crazy idea
A doping manifesto
The rules on doping in sport are incoherent – should we change them to allow the right kind of performance enhancement?
Biotechnology and other life sciences promise to transform our health, identity, even our brains. Should we be worried?
Being a sandpiper
Animals have thoughts, feelings and personality. Why have we taken so long to catch up with animal consciousness?