npr

Sleep has a big impact on learning. And not just when you do it in class. Sleep deprivation affects memory, cognition and motivation, and the effects are compounded when it's long-term.

With more than 1,300 breweries producing some five-and-a-half thousand different types of beer, Germany is serious about the amber nectar. There's even a word for it – bierernst – which means "deadly serious" and translates literally as "beer serious."

As summer approaches, anxiety about Zika is growing in Gulf Coast states like Florida and Texas. The virus hasn't spread to mosquitoes in the region, and it may not, but experts are preparing nonetheless.

Airstrikes in Syria's largest city killed more than a dozen people at a well-known hospital, says aid group Doctors Without Borders, adding that the violence killed one of the last pediatricians working in Aleppo.

"We are outraged at the destruction of Al Quds hospital," the group said in a tweet today, saying that the facility included an intensive care unit and an emergency room.

At least three doctors who worked at the hospital are among the 14 bodies that have been recovered, according to Doctors Without Borders, which says that the death toll is expected to rise.

Ted Cruz will announce Tuesday he is picking former rival Carly Fiorina as his running mate, NPR's Sarah McCammon confirms.

The "major announcement" Cruz has teased at 4 p.m. is an unprecedented, last-ditch move designed to shake up the GOP primary race, one in which he badly trails front-runner Donald Trump.

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