Photo: Daniel Berehulak/Getty Images.

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

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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.

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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.

The Danger of Ebola Paranoia

It’s Halloween — and the only thing scarier than Ebola this week is Ebola paranoia. Should you panic in bowling alleys? How justified is your fear of hospitals? Are mandatory quarantines even legal in the U.S., anyway? 3 ideas behind the news.

Arianna Huffington provides 16 articles and scientific papers on how sleep can make us more productive.