According to a new study, it's now possible to sift scraps of human DNA out of the air, water, or soil and decipher personal details about the individuals who dropped them. Jeff and Anthony take a look at the technology that makes this possible, and sort through the ramifications. [more]
At first glance, Miles Traer seems like any other scientist, but this Stanford University geologist has an alter ego. He beats back the forces of environmental destruction and holds the super-powerful to account. Traer and two colleagues have calculated the carbon footprint for nine superheroes — and realized that Earth might be better off if they stopped trying to save it. Jeff and Anthony discuss whether or not this was worth the effort of some of our greatest thinkers. [more]
