Echolocation - seeing with your ears
Sign-language interpreter Rafael Grombelka
What do people who are deaf say about their experiences?
Track and field athlete Alex Bley
Are we becoming more narcissistic?
How does sign language work? What is echolocation, and how can it help people who are blind? And what’s a cochlear implant? Find out more on this edition of In Good Shape. Plus: it’s been said we’re facing an epidemic of narcissism. Is that true?