The innovation challenge: A blueprint for American competitiveness in the twenty-first-century global economy?

Feeding the World: A Challenge for the Twenty-First Century

Multiscale Science 1 a Challenge for the Twenty-first Century

The Scope. Multiscale science is the study of phenomena which couple distinct length or time scales. It would be diicult to overstate the scope of multiscale science. Multiscale issues are central to such diverse elds as uid dynamics, material science, biology, environmental science, chemistry, geology, meteorology, and high energy physics. In short, multiscale science cuts across virtually all...

Blindness: a global priority for the twenty-first century.

Vision is one of our most cherished senses. Yet, most of us can hardly imagine what it would be like to lose it— to be unable to drive, to need assistance with daily activities, or to have difficulty recognizing friends and family members. This is the reality, however, for the nearly 45 million people worldwide who are blind (1). A further 135 million people are visually disabled, and are depen...

Transportation in the Twenty - First Century : Technological Innovation

The global nitrogen cycle in the twenty-first century: introduction.