
ALT The image reads: "Since its release in 2012, A Framework for K-12 Science Education has transformed the way science is taught and learned across the United States. Nearly every state has used it to shape modern science standards — creating coherence across grades, strengthening curricula and assessments, and opening new opportunities for collaboration across state lines." The background image shows two children stacking long rectangular blocks.

ALT The Mathematics of Internet Security. The Internet is a transformative network that is an integral part of our daily lives—but, unfortunately, its use involves many security challenges. With roots in abstract mathematics, some new and some very old, a tree of technologies (cryptosystems and authentication schemes) has grown to meet evolving threats. As users of the Internet, we routinely enjoy this tree’s fruits and may not appreciate their origins. The right side shows a diagram of a tree illustrating how math forms the basis of modern internet security technologies.




















