Science

Obama orders development of supercomputer to rival China's 'Milky Way'
The executive order would set up a body known as the National Strategic Computing Initiative to research and build what is hoped to become the first machine to hit 1 exaflop.
Close listening: How sound reveals the invisible
The stethoscope seems so simple -- a 19th century tool for listening more closely to the human heart or lungs. It also sparked a culture of listening that is transforming the way scientists learn.
SpaceShipTwo 'pilot was thrown from the vehicle' high in atmosphere
SpaceShipTwo broke apart soon after it reached supersonic speeds and an altitude of around 50,000 feet. Its pilot says his parachute opened in a "gentlemanly" fashion, after he had fallen for a while.
How your cat's purrs are not-so-secretly controlling you
Cats don't purr just when they're happy and content. Sometimes they purr when they're scared or in need of comfort. But they also do it to control the weak-minded humans they live with.
Windows 10 rolls out, along with concern over sharing Wi-Fi passwords
The new operating system includes user-friendly features, such as a personal assistant named Cortana. But its Wi-Fi Sense feature has sparked security concerns.
Dr. James Jude, a native Minnesotan credited with helping develop an early form of cardiopulmonary resuscitation died early Tuesday in Florida, his son said.
Minneapolis native Marcia McNutt now serves as the editor-in-chief of the prestigious journal Science. She was the first woman to occupy that post, as well.
Kepler telescope introduces Earth to a very distant cousin
NASA's planet-hunting Kepler Telescope has spotted the first roughly Earth-sized world orbiting in the "Goldilocks zone" of another star - offering perhaps the best bet so far for life elsewhere in the universe.