Reports from the National Research Council and the U.S. Geological Survey say that sea levels on both coasts of the United States are rising at an accelerating rate. Oceanographer Peter Howd talks about what's pushing up the oceans, and which coastal hotspots may drown first. [8:9]
Although the Kepler planet-hunting telescope is no longer operating, discoveries remain to be made in its data to search for distant planets. The audio recording addresses this quest for exoplanets. [24:50]
Could a comet or an asteroid be to blame for the fireball on Jupiter? Watch and listen about the impact of the object on Jupiter. [10:10]
Learn how astronaut and astrophysicist John Grunsfeld leads NASA's investigations of Earth and beyond. This astronaut flown the space shuttle five times, and performed eight spacewalks to service the Hubble telescope. [23:32]
"All DNA evidence is not created equal," says Greg Hampikian, Director of the Idaho Innocence Project. He'll tell us why DNA 'evidence' sometimes leads to the wrong conclusion in this audio lecture. [12:18]
Ecologist Edward O. Wilson discusses current theories of why humans and insects have been so successful on Earth. He looks at social organization as key to their success. Aired Apr. 13, 2012 [30:20] Links to a video about E.O. Wilson [6:40].
Dr. Barry Rothberg of the Leibniz Institute for Astrophysics in Potsdam, details how colliding galaxies play out and why the fate of our own galaxy, the Milky Way, could already be sealed. [5:24]