The Supreme Court sent a message to "patent trolls": your paydays are numbered.
It's been 10 years since IBM's Deep Blue beat Garry Kasparov in chess. A prominent philosopher asks what the match meant.
Our reporter enters the new world of neuroenhancers.
How modeling societies in silico can help us understand human inequality, revolution, and genocide.
Registered-traveler programs have privacy implications.
For the legions of Internet users contributing to new "human-assisted search" sites, no job is too small.
A growing number of genetic tests can be performed during in vitro fertilization, before pregnancy even begins. Is that a good thing?
Is that expensive jar of skin cream on my dresser safe to use?
No matter how well they're engineered, hydrogen cars offer no real answer to the imminent threats posed by global warming.
As its 20th anniversary approaches, what can the landmark agreement on controlling CFCs teach those who want to control greenhouse gases?