The Naked Scientists Podcast Folgen

Last year, 100 million tonnes of plastic were produced by industry. At the same time sufficient waste plastic was found floating in the world's oceans to make a string of bottles long enough to make it to the Moon. This week we find out what plastic is, how it is made, how to recycle it and why, in the future, it might literally grow on trees. Plus, reading Roman scrolls buried 2000 years by a volcano, how the magnetic history of a meteorite sheds light on the early Solar system, and an antidote to radiation... Like this podcast? Please help us by supporting the Naked Scientists

Most people spend around a third of their lives asleep, and yet we know almost nothing about what goes on in the land of nod. So this week we're going "under the covers" to investigate the science of sleeping including hearing from sleep talkers, probing the world of lucid dreaming and finding out what sleep deprivation does to the brain. Plus, in the news, the missing Beagle 2 probe is pinpointed, how the ingredients for life on Earth could have been cooked up in comets, and the computer that knows you better than your best friend... Like this podcast? Please help us by supporting the Naked Scientists

Are you sitting comfortably? You might want to stand up, because we'll be hearing why, in health terms, sitting is the new smoking! We're also taking a look at the science behind weight loss and why shedding extra pounds is so difficult. Plus news of why colds really do prefer the cold, why most of the world's fossil fuels need to stay in the ground if we're to meet climate change targets, and home from home: how scientists have discovered Earth's twin, deep in outer space... Like this podcast? Please help us by supporting the Naked Scientists