There’s a joke about immunology that appeared in an article I read a few years ago. The author of the article, Ed Yong, credited it to Jessica Metcalf, a professor and researcher at Princeton. To ...

(via Kurzgesagt) There is this idea floating around that what doesn’t kill you, makes you stronger. That surviving a disease leaves you better off. And it seems to make sense because we have all ...

Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells ...

(via Kurzgesagt) Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer, and saving your life. It does that all the time. The vast ...

Life has existed on one planet for about 4 billion years, for all we know. But it might have started right after the Big Bang, when the universe was much stranger and more fantastic than today. A ...