Colin Dwyer

In just over four decades, obesity levels in children and teenagers have risen dramatically worldwide, though that rise has been far from uniform. In a new study published online Tuesday, British researchers and the World Health Organization say those levels have plateaued lately in high-income countries, "albeit at high levels," while the rise in obesity rates has only accelerated in regions such as East Asia and Latin America.

It's not often you'll find these 24 names in the same place. They are historians and musicians, computer scientists and social activists, writers and architects. But whatever it may read on their business cards (if they've even got business cards), they now all have a single title in common: 2017 MacArthur Fellow.

Updated at 10 a.m. ET Wednesday

More than a week after a gunman opened fire on a concert in Las Vegas, killing 58 people and leaving hundreds of others injured, authorities say those chaotic minutes around the Mandalay Bay hotel are still coming into focus — and some of their findings have apparently been disputed by hotel officials.

Prosecutors presented new evidence in the case against Danish inventor Peter Madsen on Tuesday, saying the body of Swedish journalist Kim Wall, who died on Madsen's personal submarine, was riddled with more than a dozen stab wounds. At the pretrial hearing, prosecutors said police had also found a hard drive in Madsen's laboratory containing images of women who were tortured and murdered.

It began with more than 1,500 books.

With all the works submitted by publishers, the judges for this year's National Book Awards have had their hands (and bookshelves) full the past few months. But that daunting number of contenders winnowed further Wednesday, as the National Book Foundation announced the finalists for its literary prize — just five works each in four categories: fiction, nonfiction, poetry and young people's literature.

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