The Naked Scientists Podcast Folgen

This week we've found ourselves attracted by the topic of magnetism; it's what makes it possible to generate and distribute electricity to our homes, or send messages and radio broadcasts over the airwaves; it underpins our ability to see inside the body with technologies like MRI scanners, and thanks to the fact that there's a massive magnetic field surrounding our planet, much of the radiation onslaught from space that would otherwise hit us is fended off, keeping the Earth habitable. That planetary magnetic field also provides us and animals with a way to navigate, and there are even... Like this podcast? Please help us by supporting the Naked Scientists

In the news, the old liver drug that turns out to be able to prevent Covid-19 infection, the artificial intelligence systems that pass the Turing test and can write their own computer programmes, and what bats and heavy metal singers have in common. Like this podcast? Please help us by supporting the Naked Scientists

Last month, we were told, the 8 billionth person was added to Earth's human population. But despite many acknowledging that some of the biggest threats facing us and the planet, like climate change - stem from our impact on world, and the more of us there are, the worse those threats will be, the topic of population is mysteriously absent from the dialogue at major international fora, like the recent COP27 meeting in Egypt. Surely "living sustainably" must include, as David Attenborough puts it, not over-running the planet and destroying it in the process?So how many people can, or should the... Like this podcast? Please help us by supporting the Naked Scientists