How the year's most promising technologists are chosen, and why we insist on their youth.
What is Facebook doing with its unprecedentedly large network?
Estimates of the historical value of a user put the IPO hype in perspective.
Cheap sequencing technology is flooding the world with genomic data. Can we handle the deluge?
They promise to change the world. But how will their development be funded?
Wind and solar power are ramping up quickly, but the world's demand for electricity is growing much faster.
What the TR50 companies have in common.
Tomorrow's breakthroughs will demand the revival of American manufacturing.
Google reveals how often governments ask it to banish things from its services and how often it complies.