Few people are familiar with the term “step therapy,” but most Americans have health insurance policies that adopt it. Step therapy programs, also known as “fail first policies,” require patients to try less expensive treatments before...

Even though the Holocaust is one of the best documented genocides in a historical sense, there is surprisingly little quantitative dataavailable, even on major critical events.

What’s more, this history is often told in figures too large to comprehend on the human scale. Large numbers...

As the 116th Congress convenes this week, power has shifted from Republican control of both the Senate and House to a Republican Senate and a Democratic House, poised to battle each other under a Republican president who is under fire.

How can American political history help us...

On Dec. 22 at 9:03 p.m. local time, a 64-hectare (158-acre) chunk of Anak Krakatau volcano, in Indonesia, slid into the ocean following an eruption. This landslide created a tsunami that struck coastal regions...

Paula, a 59-year-old mother of two in Southern California, is getting out of a cooking rut with VeggieBook, a free mobile app we created that users can view in English or Spanish. It gives her customized recipes and food tips.

When we have to give a talk to a group of people, we feel anxious and experience the bodily fear responses that do not make sense now: The system is not meant to function in this safe context....

The 116th Congress will be the most diverse in U.S. history: 126 women will take office, including 43 women of color. Yet, as many have noted, this new diversity is confined to one side of the aisle.

The number of Republican...

Data breaches, widespread malware attacks and microtargeted personalized advertising were lowlights of digital life in 2018.

As technologies change, so does the advice security experts give for how to best stay safe. As 2019 begins, I’ve pulled...

Unlike the effervescent bubbles that stream to the top of champagne flutes on New Year’s Eve, what I call brain bubbles are far from celebratory. These bubbles are metaphorical rather than physical, and they distort the stream of reality...

Editor’s note: As we come to the end of the year, Conversation editors take a look back at the stories that – for them – exemplified 2018.

As editor-in-chief, it’s been my prerogative and privilege to have...