These ten awe-inspiring science projects range from the world's largest undersea observatory to the "ultimate microscope" to a Jupiter orbiter on a suicide mission--but they're all massive, often in both size and scope by Gregory Mone, Brooke Borel, Katherine Bagley and Jennifer Abbasi
Bill Andrews has spent two decades unlocking the molecular mechanisms of aging. His mission: to extend the human life span to 150 years--or die trying By Joseph Hooper
What's next for the system that moves most of the stuff on Earth? By Rena Marie Pacella
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.