Art therapist Melissa Walker is using masks to allow service members with traumatic brain injuries express their deepest emotions and experiences, helping them and their loved ones.

The million-headed dragon of online anger has a great mouthful of fire for parents who don’t vaccinate their kids. But such scolding misses the mark, alienating caring parents who just want their children to be safe.

Catharine Young describes a visit to Liberia, where Ebola may be contained but the public health story has only just begun.

Think about everyday services, and what comes to mind? Probably practical matters: housing, food, health, education. Artist Theaster Gates wants to add a new item to the list. He makes the case for why, really, beauty is the most important basic service.

Rob Knight | ideas.ted.com

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.

For many of us, just hearing the word “stress” can shorten our breathing and raise our heart rate — but as psychologist Kelly McGonigal seeks to show, stress does not always have to be a negative.

Jamie Oliver. © Jamie Oliver Ltd, Photographer: Joe Sarah

Activist chef Jamie Oliver talks about the future of food.