Word: earthness
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...each contribute to global warming in different ways. CO2 intensifies the greenhouse effect, allowing sunlight from space to enter through the atmosphere, then trapping the sun's energy as it bounces off the surface of the planet - like a greenhouse. (Of course, without some greenhouse warming, the earth would be a cold, dead place, but too much CO2 accelerates the effect and could make the earth too hot to be habitable. The temperature on Venus, for instance, where the atmosphere is 96% CO2, is over 400°C, or 750°F.) By contrast, black carbon in the air actually...
...which can hang around in the atmosphere for centuries - CO2 that was emitted by the first coal-powered train is probably still in the air, warming the planet - black carbon has a relatively brief life span. It remains just a few weeks in the air before it falls to earth. That's key, because if the world could reduce black carbon emissions soon, it could help blunt warming almost instantly. "You can wait a week or a month and the totals in the atmosphere can be significantly different," says Eric Wilcox, an atmospheric scientist with NASA. Meanwhile, if we were...
...rich nations are responsible for the majority of carbon already in the atmosphere, and should therefore take the lead on cutting emissions, but if black carbon is definitively proven to play a large role in warming, poor nations will still be on the hook. (See pictures of this fragile earth...
...physicists say that Nielsen and Ninomiya's theory, while intellectually interesting, cannot be accurate because the event that the LHC is trying to recreate already happens in nature. Particle collisions of an energy equivalent to those planned in the LHC occur when high-energy cosmic rays collide with the earth's atmosphere. What's more, some scientists believe that the Tevatron accelerator at Fermi National Accelerator Laboratory (or Fermilab) near Chicago has already created Higgs bosons without incident; the Fermilab scientists are now refining data from their collisions to prove the Higgs' existence. (See the top 10 scientific discoveries...
...while students line up to take one or five or maybe even ten of these cookies back to their tables during lunch or dinner, no one seems to know exactly what Ranger Cookies are, why they taste so good, or, for that matter, why on earth they’re even called “Ranger Cookies” in the first place. This is Hahvahd after all, not some sort of dude ranch in one of the many fly-over states between here and LAX?...