Elsewhere on New Scientist
Virtual events What we don’t know about black holes Astronomer Chris Impey reveals what makes black holes so special and why they still haven’t given up all of their secrets. Available on demand now. newscientist.com/science-events Podcasts Weekly The healthy eating revolution; China’s cosmic ambitions; Russia’s pursuit of gene-editing technology. Plus: the world’s greatest mammal. newscientist.com/podcasts Newsletter Launchpad Our free newsletter sends you on a weekly voyage across the universe and beyond. This week: are there really signs of life on Venus? newscientist.com/sign-up/launchpad Online Video The microorganisms that live inside us are every bit as vital as our heart, our lungs and even our brain – and a healthy diet can give them a boost. Science with Sam explains all. youtube.com/newscientist…