Dr Karl leads a whirlwind tour of scientific explanations and bizarre facts. Watch the Q&A with the audience here: https://youtu.be/CswMMByLOf4 Subscribe for regular science talks: http://bit.ly/RiSubscRibe You can buy Dr Karl's book "House of Karls" now - https://geni.us/SaQhA What makes you forget why you entered a room? Why is it safer for a cat to fall from 32 stories than from seven? And why do you feel more drunk from rum and diet cola than rum and regular cola? Join Australia’s science legend Dr Karl for a whirlwind tour of scientific explanations and bizarre facts. Find out how photos of eyes make you honest, why the phrase "sinister buttocks" gets into students' essays, and what the ‘big cover up' is on kissing. Dr Karl is a well-known Australian science communicator and populariser, who is best known as an author and science commentator on Australian radio and television. He has many strings to his bow having done a degree in Physics and Mathematics, a Masters in Biomedical Engineering, and a degree in Medicine and Surgery. He has also studied Computer Science as well as reading for a Masters in Astrophysics. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.