We've all been caught in that hazy tug of war between wakefulness and sleep. But the biology behind how our brains drive us to sleep when we're sleep-deprived hasn't been entirely clear.

Morley Safer, who reported from around the world for nearly five decades on the newsmagazine 60 Minutes, has died. He was 84.

Safer was the longest-serving correspondent on the show, and had just announced his retirement last week during a special that recapped his career.

Here's how CBS News describes his work:

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The three performers at the heart of Miike Snow all have successful side projects, so their third studio album took a few years to finish. The indie-pop band has just returned with some incredibly catchy new songs, including "Genghis Khan," inspired by singer Andrew Wyatt's romantic life.

SET LIST

  • "Genghis Khan"
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Starting at 12 p.m. EDT on Thursday, May 19, watch roots-rock singer-songwriter Kevin Morby and veteran English rock band The Zombies perform at World Cafe Live as part of Philadelphia's 2016 Non-COMMvention.

Pamela Erens' new novel, Eleven Hours, is what traditionally would be called a "small story." It's less than 200 pages, features only two main characters and focuses primarily on events that take place over the span of, well, 11 hours. It's also a novel about the ultimate female adventure of childbirth.

The book is fierce and vivid in its depiction of the exhaustion of the spirit and the rending of the flesh during childbirth. So much so, that it makes that boy adventure aboard Herman Melville's Pequod almost seem like a Carnival cruise.

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