Gibbs: How Much Energy Is Enough?

Wayt Gibbs asks a pertinent question, in light of post-Harvey gas shortages and climate change conversations: “How Much Energy Will the World Need?” Wayt does the calculations for Anthropocene. He also talks to Michael E. Brown (“the guy who killed...

Kelley: Plan B for Earthlings?

Peter Kelley describes a cluster of super-earths, recently discovered and just 22 light-years away, in a news release from the University of Washington. The planets have conditions in the “habitable zone” for humans. Their discovery will guide astronomers in finding...