In this issue of Discover, meet a scientist harnessing synthetic biology to build biological circuits for a sustainable future. Then, travel to the Southwest United States, where endangered species are fighting an unseen border battle as law enforcement hems in their habitat.
Our investigative report on proton beam therapy examines the evidence behind the world's most expensive medical device. It's saving the lives of cancer patients — just not always the ones it's marketed to.
Plus: the next generation of spacesuits, quantum computers' threat to online security, and how some people accomplish feats of extraordinary endurance. (Hint: It's in their heads.) From theories of the multiverse to the chaos hidden in a chicken’s eye, prepare to traverse the spectrum of science this month.