In this excerpt from his TED Book, microbial researcher Rob Knight shares his — and other scientists’ — work to understand the human microbiome — and the key diseases in which it now seems that microbes may play a part, including inflammatory bowel disease, obesity, and allergies and asthma.
In Africa, ebola has already killed hundreds and sickened more than a thousand people so far this year — and the pandemic continues to spread into new countries. When did the current outbreak begin? Why can’t it be stopped? How much should you freak out? 3 ideas behind the week’s headlines.