New advances in our scientific understanding of aging promise longer, healthier lives. In this issue we examine some of the most groundbreaking developments, including reversing Alzheimer's and restoring lost hearing.
Also in this issue, a doctor's case for medical marijuana, and what the future of physics holds now that we've found the Higgs boson.
Plus: How we can coexist with cougars in our cities, and the science of beer. Read now!