Microbiome links to Parkinson's, and a massive laser boost

This week scientists confirm the link between changes to the microbiome and later development of Parkinson's Disease, a super speedy microfluidic way to diagnose infection and probe antibiotic susceptibility, how many infections does daycare cause in your toddler, and the breakthrough capable of boosting laser power by orders of magnitude... Like this podcast? Please help us by supporting the Naked Scientists