A century ago Albert Einstein changed the way we view the world with his theory of general relativity — and his theories still captivate physicists today. In our special Einstein section, we spotlight researchers pushing his theory to its breaking point to solve physics' most persistent questions. We’ll give you a hint: Most experts are still betting on Einstein.
Plus, go back to a time when camels — yes, camels — called the Arctic home. By learning more about Earth's ancient climate, scientists hope to get a glimpse of what’s likely to occur in the future. And if you’re reading this before bed, get some shut-eye! We dive into the science of sleep and why skimping on rest could be a matter of life and death.
Read all those and more in the April issue of Discover.