Cultural and scientific challenges suggest that the notion of restoring significant amounts of carbon to soils is an overly optimistic and inherently flawed proposition. Image courtesy of ScienceSource/Jerry Irwin.
Efforts to look for microbial life on other worlds got off to a rocky start in the 1970s. But space agencies now have multiple heavenly bodies in their sights, from Mars to Europa to Enceladus. Image courtesy of NASA/JPL/Space Science Institute.
Human-robot interaction researchers are developing robot teammates for humans working in a range of settings, from manufacturing floors to outer space. These robots are designed to collaborate with humans directly. But designing a good teammate isn’t easy. Image courtesy of Matthew Gombolay (photographer).