Want faster data and a cleaner planet? Start mining asteroids

Want faster data and a cleaner planet? Start mining asteroids

Mining asteroids might seem like the stuff of science fiction, but there are companies and a few governments already working hard to make it real. This should not be surprising: compared with the breathtaking bridges that engineers build on Earth, asteroid-mining is a simple, small-scale operation requiring only modest technological advances. If anything is lacking, it is the imagination to see how plausible it has become. I am afraid only that it might not arrive soon enough to address the urgent resource challenges that the world is facing right now. 

A black hole is pushing the stars around in the Globular Cluster

A black hole is pushing the stars around in the Globular Cluster

Astronomers have been fascinated with globular clusters ever since they were first observed in 17th century. These spherical collections of stars are among the oldest known stellar systems in the Universe, dating back to the early Universe when galaxies were just beginning to grow and evolve. Such clusters orbit the centers of most galaxies, with over 150 known to belong to the Milky Way alone.

These 5 tips may help you finally quit smoking

These 5 tips may help you finally quit smoking

Quitting smoking is a popular New Year’s resolution—but many have trouble sticking with it. “Many people underestimate how difficult it is to not only quit smoking, but to maintain the change,” says Zane Freeman, research coordinator for the YMCA exercise intervention for smoking cessation study taking place at the University of Texas at Austin.