I almost always start these with a link from the Wired Science blog, but how do I choose today? Here are the top 4 right now: two stories onexoplanets, NASA flies a drone over Hurricane Earl, and the Smithsonian has launched a lion cub webcam at the National Zoo.
Incredible undersea images from the ocean near Sulawesi courtesy of National Geographic.
Tiny thorium reactors?
I read about this a while ago, but the story has a couple of updates now: there’s a suggestion that the 1976 Viking missions which didn’t discover organic material on Mars might have accidentally destroyed it instead.
Did the earth’s magnetic field flip quickly rather than slowly 15 million years ago?
Scientific American offers an interactive slide show which tries to estimate how much of the earth’s resources remain.