Turkey's foreign minister is in New York today. He's urging the United Nations to begin sheltering and protecting refugees inside Syria. It's a move that would almost certainly require international military involvement to safeguard an area inside the country. But Syrian President Bashar al-Assad says talk of a safe zone inside his country is not practical. NPR's Peter Kenyon has this report from Istanbul.
This week, Americans have been remembering Neil Armstrong. But before he walked on the moon, he had to solve a much more prosaic problem.
"You're about to embark on a mission that's more dangerous than anything any human has ever done before," Robert Pearlman, a space historian and collector with collectspace.com, told me. "And you have a family that you're leaving behind on Earth, and there's a real chance you will not be returning."
Scientists have known for decades that lab rats and mice will live far longer than normal if they're fed a super-low-calorie diet, and that's led some people to eat a near-starvation diet in the hopes that it will extend the human life span, too.
But a new study in monkeys suggests they may be disappointed.
The long-awaited results of this study, which started back in 1987, show that rhesus monkeys fed a diet with 30 percent fewer calories than normal did not live unusually long lives.