Sometimes, we lie to others to protect their feelings. Maybe robots should be allowed to do the same.

Ways to interact with virtual versions of our deceased loved ones are now a possibility – but there’s a raft of ethical and emotional challenges involved.

When it feels like so many people are in need of compassion, how do we decide where to direct it?

Sending human ashes and personal mementoes to the Moon is now possible, but it opens up a maze of legal and ethical conundrums.

Sapolsky summarises the latest scientific research relevant to determinism: the idea that we’re causally ‘determined’ to act as we do and couldn’t possibly act any other way.