Fresh from a six-month space expedition, NASA astronaut Serena Auñón-Chancellor shares how her bioscience experiments in microgravity could improve medicine on Earth.
The state senator from San Francisco wants to restore net neutrality and fix some of the Golden State's thorniest problems.
Reshma Saujani wants to reprogram the way women think about themselves.
Founder Reshma Saujani doesn't just want more female bodies in chairs. She wants to fix something fundamental in the way boys and girls grow up.
Henk Rogers introduced the world to Tetris. Now he's tackling climate change, one brick at a time.
Commentary: One era of nuclear brinksmanship was enough for CNET's Stephen Shankland, who visited the Russian nuclear weapons center of Sarov just after the first Cold War ended.
Siegfried Hecker serves as a scientific shuttle diplomat, building ties with rival nuclear researchers the world over.
Mehdi Yahyanead figured out a way to use satellite TV to bypass online censorship in Iran and beam internet content everywhere.