PRI's The World: 04/11/2016
Today we hear about new research on the diversity of life on Earth. It turns out that on the so-called "Tree of Life," humans occupy a branch that scientists say keeps getting smaller and smaller. It's a world of one-cell organisms and we're just living in it. Also, are revelations that British Prime Minister David Cameron is mentioned in the Panama Papers enough to bring down his government? Plus, it's "maps full of monsters" Monday.