Exposure to cold in the Netherlands and to heat in Spain appears to be associated with more psychiatric symptoms among adolescents, according to a study published online Jan. 28 in JAMA Network Open.

Doc McHugh, Kookie and I are sitting in Nori’s cafe, with Doc talking about his time in Colorado. Suddenly, he stops talking and stares off into into the distance. “What’s up?” I say. “Colorado,” he ...

The latest edition of our Top 10 in Data Journalism column also highlights the risks of nuclear war, drought in the Amazon, and a guide to the upcoming Year of the Snake.