If you've come across ads of Norman pushing a product for you to buy — no you haven't. 

These ads are actually deepfake scams using an AI Norman to sell unproven supplements. 

Also, why a new Alzheimer's drug coming onto the market might not become cheap enough for most people to take. 

A breakthrough in gene-editing could push us closer to a future full of CRISPR treatments. And why eight hours a night might not be the magic number for sleep.