The new black

Faith talks to Washington Post reporter Rick Weiss about the recent discovery of a new paper-thin material that is the blackest substance ever created.


Fuel from thin air

Los Alamos National Laboratory scientist Dr. F. Jeffrey Martin talks with host Steve Curwood about capturing carbon dioxide from the air to make gasoline.


Satellite shoot-down

Denton Ebel, a geologist and meteorite expert with the American Museum of Natural History, and John Pike, the Director of, discuss the Navy's plan to shoot down a failed US spy satellite.


Geo answer

Anchor Marco Werman speaks with paleontologist Paul Sereno from the University of Chicago about his discovery of a new kind of dinosaur fossil. The discovery took place in Africa's Sahara Desert -- which is the answer to today's Geo Quiz.


From toilet to tap

Orange County, CA has opened what is likely the largest sewage purification plant for drinking water in the world. The community is on board, and the idea is already being copied elsewhere in the U.S. and abroad. Living on Earth's Ingrid Lobet reports.