Word: planetful
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...lost. The World Economic Forum itself maintains an excellent site chock-full of the day's proceedings and a wide range of perspectives on the most contentious issues. Choice quote from Day 1: The observation by Tanzania's president that if everyone on Earth lived like suburban Americans, the planet's resources would have already been exhausted...
...maybe astronomers will have to rethink their definition of "planet." Just because we put heavenly objects into categories doesn't mean the distinctions are necessarily valid. And as Tremaine puts it, "When your classification schemes start breaking down, you know you're learning something exciting. This is wonderful stuff...
...nation a little cybercrazy. More than a third of South Korea's 47 million people are logging on to the Internet--one of the highest per-capita ratios of Web access in the world. In fact, South Korea is one of the most wired--and wireless--places on the planet. So faddish are all things cyber that hip young Korean men have adopted the scruffy, geeky dress of Microsoft chairman Bill Gates...
...years old. That puts it within a geological blink of Earth's fiery birth out of a swirling cloud of solar dust and gases 4.56 billion years ago. But how could any crystalline object solidify under such torrid conditions? The answer, the scientists reported in Nature, is that the planet was already bathed in cooling water...
...that is indeed the case, Earth's oceans and crust appeared only 200 million to 300 million years after its formation, when the planet was still being bombarded by large objects from space. One Mars-size chunk, by that calculation, would have slammed into Earth only 50 million years before the crystal formed, ejecting enough material to create the moon. Says University of Wisconsin (Madison) geologist John Valley: "Perhaps the moon formed earlier than we thought, or by a different process...