The Naked Scientists Podcast Folgen

The good side of microbes goes under the microscope this week as we explore how the 100 trillion bacteria that thrive on us and in us, and even outnumber our own cells ten times over, work with the body to maintain good health. We also hear from the Nobel prizewinner who's turning the stomach bug Helicobacter pylori into an edible vaccine against the flu and how to build better bioreactors to culture them in! Plus, how trees cause clouds to form, more evidence that the building blocks of life came from outer space, how nicotine keeps smokers thin and built-in cardiac stem cells that can mend a... Like this podcast? Please help us by supporting the Naked Scientists

What would we see at the edge of the universe? Are there long term health effects of eating spicy food? Why doesn't diesel need a spark to ignite? It's another Naked Scientists science question and answer show, where we take on your questions! Find out how a volcano makes Mars wobbly, why birds' lungs are more efficient than mammalian lungs and how a single speaker can make so many sounds at once. Plus, an outbreak of a new and lethal strain of E.coli and why increasing ocean acidification may be deafening fish. Like this podcast? Please help us by supporting the Naked Scientists

What happens when a blacksmith meets a metallurgist? This week we explore what's happening at the molecular scale when the smithy works a piece of iron, we meet the superalloys that survive temperatures way above their melting points inside jet engines, and at the Rolls Royce precision casting facility we discover how precision plane engine parts can be cast from a single metal crystal. Also, in the news this week, how the blind brain has a built-in sonar, an attractive new magnetic material turned on by a current, and a new technique to detect troublespots brewing inside arteries. Plus,... Like this podcast? Please help us by supporting the Naked Scientists