From South Africa to Brazil, Bristol and Liverpool, a string of worrying coronavirus strains have emerged. But why? And can we prevent more from developing?
Get our daily LUNCHTIME GENIUS newsletter
Want to feel a little smarter while you snack on a sandwich? Our daily newsletter arrives just in time for lunch, offering up the day's biggest science news, our latest features, amazing Q&As and insightful interviews. PLUS a free mini-magazine for you to download and keep.
By entering your details, you are agreeing to BBC Science Focus Magazine terms and conditions. You can unsubscribe at any time.