Computer scientist Jasmine Lawrence’s Cool Job is solving problems: She connects families thousands of miles apart through new Facebook technology, runs a blood donation network, and started her own personal …

Using brainwaves to send a Tweet, biomechanical engineer Adam Wilson demonstrates how neural prosthetic devices can allow people with motor disabilities to communicate with the outside world. Episode filmed live …

#YourDailyEquation with Brian Greene offers brief and breezy discussions of the most pivotal equations of the ages. Even if your math is a bit rusty, these accessible and exciting stories …

Geckos performing death-defying wall-climbing feats inspired materials scientist and engineer Michael Bartlett to invent adhesive that’s sticky powers are just as strong as this reptile. His Cool Jobs is developing …

In celebration of the 100th anniversary of Einstein’s general theory of relativity, we examine its essential insights, its lingering questions, the latest work it has sparked, and the allied fields of research that have resulted.

Professor Witten is a leading light of superstring theory and the only physicist to have won the vaunted Fields Medal, mathematics’ highest honor. Known for advancing a number of novel approaches in mathematics and physics, Witten opened up new vistas in 1995 when he unified five seemingly competing superstring theories into M-theory, which seeks to unify Einstein’s general theory of relativity with quantum mechanics.