If you could live forever, would you?
We've seen this question explored in fiction for centuries, but according to a growing number of people, we might soon have to face it in reality.
Meow-Ludo is part of a movement of DIY biologists called biohackers, who believe that they can hack the human body to enhance or change its functionality, including hacking it to be immortal.
So what life longevity technologies are currently being developed? When will we be able to access them? And what do we know about the first woman in the world who is actually ageing backwards?
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And now, for something a little different!
For the season finale of Wait, You What? Erica is joined by her friend and comedian Sam Taunton for a casual, laid-back chat.
They explore questions like - are comedians sad? is being funny an identity? How can we enjoy the process, not the result? And...
Imagine if a single drop of water could ruin your life. It's the reality for Niah Selway, whose rare water allergy means that any contact with water triggers an allergic reaction which feels like an intense burning and itching sensation all over her body.
So how does she cry? Or bathe? What if...