Word: dust
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Soil: Paint dust, leaded-gas exhaust and industrial sources add to naturally occurring lead...
Parents' jobs and hobbies: Toxic dust can cling to those who routinely work with lead...
...time in the villages of the low-income world. They train people in information and communications technologies and advise them on starting businesses using these new skills. Working in Timbuktu and beyond, Geekcorps relies on its "Desert PC," specially designed for the low electricity access and high temperatures and dust of the Sahara...
...Rochester astronomers are right, the idea that comets are pristine remnants of the material from which our solar system originally formed isn't going to hold up. Indeed, last year, comet-dust particles brought back by NASA's Stardust mission showed that the particles had been heated to high temperatures sometime in their lives, which implied that at least the dust in comets might not be primordial. And now it looks like the ice in them isn't either...
Boeing says it isn't sweating the A350. First, it has a five-year technology lead over the A350-900. "When all the dust settles, the important thing is that we keep progressing," says Bair. "They will figure it out, but we will be five and six years into knowing what we know and be that much better at it." And the 47-strong customer base that Boeing has for the 787 shows validation of the company's vision and its intent to dislodge Airbus' grip on the medium-range market. Boeing is trying to make the 787 easier...