The first 200 people to sign up at https://brilliant.org/stevemould/ will get 20% off an annual subscription that gives you access to the full archive of Daily Challenges and every single course. The way viruses self assemble from proteins that a jumbling around in an infected cell is really interesting. And can be illustrated really nicely with this 3D printed model. I'll also explain how protein synthesis works. Here's one of Hamish Todds brilliant interactive explanations: http://viruspatterns.com/ Patreon: https://www.patreon.com/stevemould Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ Buy nerdy maths things: http://mathsgear.co.uk/