If you want to protect rare species, first you have to find them. In the past few years, biologists have developed a powerful new tool to do that. They've discovered that they can often find traces of animal DNA in streams, ponds — even oceans.
The idea took root just five years ago, when biologists in France found they could detect invasive American bullfrogs simply by sampling pond water and looking for an exact genetic match to the frogs' DNA.
From NPR News, this is ALL THINGS CONSIDERED. I'm Melissa Block. Disgraced former congressman - and current New York City mayoral candidate - Anthony Weiner is apologizing again, this time after the publication of still more lewd messages and photos that Weiner exchanged online with a woman who is not his wife.
There may be no film image more iconic: Harold Lloyd, high above the street, dangling from the minute hand of a giant department-store clock.
The face of the clock swings down; the minute hand bends. It's been 90 years since the silent era's greatest daredevil shot that sequence, and it still has the power to prompt shrieks and laughter.
Lloyd's character was the All-American Boy, innocent in his horn-rimmed glasses, eager to climb the ladder of success — and like many a social striver before him, he was plagued by anxiety that he'd fall before he got to the top.