Although the flyby of asteroid 2004 BL86 — which is about 1,800 feet (550 meters) wide — poses no foreseeable threat to Earth, it does present a rare opportunity to easily see a near-Earth asteroid, NASA officials say.
Teleportation has been the holy grail of transport for decades, ever since Mr Scott first beamed up Captain Kirk and his crew in the 1966 opening episode of Star Trek. Now the technology may have been cracked in real life … sort of.
guitar4me2c (CC BY-ND 2.0) Neuroscientist Daniel J. Levitin summarizes the latest research into the neurological effects of so-called multitasking in a world where email, Facebook and instant messaging demand our attention more or less constantly.
A new study from a team of international researchers has found that human activity has pushed earth across four of nine environmental boundaries needed for humanity to exist in a “safe operating zone,” and that the planet is headed toward a da...