In this issue:
"Neandertal Minds": Analyses of anatomy, DNA and cultural remains have yielded tantalizing insights into the inner lives of our mysterious extinct cousins.
"Can We Mine a Black Hole?": The intricacies involved in mining energy out of one of the strangest and most fascinating objects found in outer space.
"The Clocks Within Us": Genes in the liver, pancreas and other tissues keep the various parts of the body in sync – and how timing miscues may lead to diabetes, depression and other illnesses.
"A Puzzle for the Planet": Our future depends on whether we can craft an integrated and sustainable new system for providing food, water and energy.