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NASA's orbiting Kepler telescope has discovered its first planet in the habitable zone of another star. By "habitable," astronomers mean that a planet could harbor temperatures conducive to liquid water--and maybe life. [More]

Some say that the reason you can't travel faster than light is that your mass will increase as your speed approaches light speed – so, regardless of how much energy your star drive can generate, you reach a point where no amount of energy can further accelerate your spacecraft because its mass is approaching infinite.

(PhysOrg.com) -- Organic light-emitting diodes (OLEDs) are seen as a promising replacement for the liquid-crystal displays (LCDs) used in many flat-screen televisions because they are cheaper to mass-produce. Zhikuan Chen at the A*STAR Institute of Materials Research and Engineering and co-workers have now shown how meticulous engineering of fluorescent molecules can dramatically increase OLED efficiency.

I'm pleased, although not surprised, by the incredible wave of reactions to and comments about my post, "Great People Are Overrated." (I'm also not surprised by the vitriol and personal nature of some of the barbs aimed at me. That seems to go with the territory whenever you question an article of faith among the web startup crowd.) My guess is that the post touched a nerve because it touched on one of the great dividing lines in our business culture today. As members of an economy, a society, and a collection of companies, all of us are engaged in a conversation (sometimes explicit, mainly implicit) about what makes the world go 'round -- individual brilliance or group genius, self-possessed superstars or well-rounded teams.

Elizabeth Taylor was known for using her star power for humanitarian work, in particular, helping victims of AIDS. John Blackstone looks back at the charitable side of the fallen superstar.

(PhysOrg.com) -- In 1932, scientists observed the first antimatter particle, a positron (or antielectron). Since then, scientists have observed heavier and heavier states of antimatter: antiprotons and antineutrons in 1955, followed by antideuterons, antitritons, and antihelium-3 during the next two decades