Subscribe for more Horrible Science: https://goo.gl/VpbBBr It's #Halloween season & today on Horrible Science, the team are here to give you sickeningly interesting facts about your blood! Horrible Science is about a lovable family of characters (Mark the host, Lucy the producer, Bob the Robot and Professor McTaggart – a brain in a jar) trying in each episode to put on a spectacular science show. Unfortunately for them, it doesn’t always go to plan! Every episode has a scientific theme - Gruesome Guts, Bulging Brains, Abominable Blood, Wasted World, Chemical Chaos, Space, Stars and Slimy Aliens, Microscopic Monsters, Deadly Diseases, and Vicious Veg. Episodes feature a celebrated scientist from history such as Louis Pasteur and Marie Cure. #HorribleScience #ScienceForKids