Civilization is on a collision course. That's the message Paul Gilding, the former head of Greenpeace International, is sounding in his new book, The Great Disruption.
The facts, as Gilding spells them out, are frightening. The United Nations predicts the world's population will reach 9.3 billion by 2050 and humans are already using 140 percent of the Earth's resources.
State lawmakers made New York the sixth and largest state to legalize gay marriage on Friday night. NPR's Rachel Martin speaks with two Republican state senators: Jim Alesi, who voted for the measure, and Dean Skelos, who voted against it.
Archeologists say our garbage provides a glimpse into our actions and values. Now, some scientists say our sewer systems do also. It only takes a teaspoon of waste water to reveal an entire city's eating or drinking habits. Environmental scientist Kevin Thomas talks about what the method can tell us.
It's been called the worst job in the country. And once you get it, unpopularity is practically certain. But it seems there's never a shortage of presidential candidates. Presidential historian Alvin Felzenberg talks about what it takes to make it into that small group.
German-based company Heidelberg Instruments has bought the patent for a process developed at the University of Colorado at Boulder that helps build computers on the nanoscale. The new technique makes nano-sized drawings, lines that are a thousand times thinner than a human hair in polymer. These etchings are used when making semiconductors, which are the processors found in laptops and cell phones.