In this edition of The Naked Scientists: the first transplant of a gene-modified pig liver into a human; also, the James Webb Space Telescope sees one of the first galaxies ever to exist, and it's very strange indeed; and scientists explain why we can't recall our early years... Like this podcast? Please help us by supporting the Naked Scientists

Thanks to John Travers for the answer!Listener Francisco asked: I have been told that jumping on a trampoline is healthy for humans. It is considered as a good exercise; and also to better coordinate brain and body. I am 73 and wonder whether it is advisable for me to jump on a spring board?John - My work in reversing frailty and building resilience in older adults has made me a big advocate for resistance exercises like trampolining. This should be combined with consuming sufficient protein to turn that work into stronger muscles and bones. Jumping on a trampoline can improve cardiovascular... Like this podcast? Please help us by supporting the Naked Scientists

Why do we have different blood groups? What drives the libido? Do you get drunk faster on an aeroplane? How long does an artificial heart valve last? Does food taste different on an aeroplane? Should you take multivitamins? Is there an actual physical end to space? Are there any benefits to copper or brass bangles? Do older people sleep less than younger people? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, Antimicrobial Resistance, or AMR, is going under our microscope. What is it, how does it happen, what's the scale of the threat, and how can we fight back? Like this podcast? Please help us by supporting the Naked Scientists

Silke is writing all the way from French Polynesia, asking what's best to do with all the plastic rubbish she picks up from the beach, and whether burning it is advisable. James Tytko asked Richard Lampitt from the National Oceanography Centre to help find an answer... Like this podcast? Please help us by supporting the Naked Scientists

In this episode of Ask! Dr Chris answers questions including: what are the minerals in mineral water? Is it safe to drink water from plastic bottles? Is glass safe to drink from? How do people perform sword swallowing? What are biodegradable plastics made of? What is metformin, and is it effective? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: Stranded Nasa astronauts Butch Wilmore and Suni Williams come down to Earth with a splash and some awesome drone footage; also, Cambridge scientists are mapping where to find the world's rarest minerals; and the massively under-appreciated role that whales play transporting nutrients thousands of miles...using their urine. Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, what threat do microplastics pose to our health, and the health of the planet? Like this podcast? Please help us by supporting the Naked Scientists

On this edition of the Naked Scientists Podcast, what are the potential environmental impacts of the ship crash in the North Sea? Also, we find out what's being done to reduce the risk from engineered pandemics, and reveal what's going on inside the best electric vehicle batteries on the market. Then, it's off to Lincolnshire to profile the bruise-resistant, quicker-cooking potatoes of the future... Like this podcast? Please help us by supporting the Naked Scientists

On Ask! the Naked Scientist, Can you keep sparkling water fizzy for longer? Are magnesium tablets good for us? Why do we crave certain foods? How do breathalysers work? Like this podcast? Please help us by supporting the Naked Scientists