Getting to the heart of causality is central to understanding the world around us. What causes one variable — be it a biological species, a voting region, a company stock, or a local climate — to ...

Many important phenomena, concerning ecosystems, societies, our health, or even science itself, are more than the simple sum of their parts. Complex systems are what emerge when basic building blocks ...

An ever-increasing number of information systems are becoming indispensable in nearly all aspects of health care delivery, from electronic health records (EHRs) and radiology image viewers to ...

As President Barack Obama rightly noted in one of his first directives, his "highest priority is to keep the American people safe."[1] Addressing homeland security challenges effectively requires ...