Answers on the Web vary from a few thousand meters to 48 kilometers. Now a pair of physicists have carried out an experiment to find out.
Supercharge your immune cells to defeat cancer? Juno Therapeutics believes its treatments can do exactly that.
We put Yahoo Answers, Amazon’s Askville, and rival question-and-answer services to the test.
Vision algorithms are now good enough to let a car drive automatically with just one camera.
In a country of rigid teaching styles and scarce university slots, students and professors are exploring what online learning can be.
The world’s best-known consciousness researcher says machines could one day become self-aware.
Scientists are developing ways to edit the DNA of tomorrow’s children. Should they stop before it’s too late?
Researchers are trying to program self-driving cars to make split-second decisions that raise real ethical questions.
They’re finding useful information for legal cases on Facebook and Twitter.