Word: lot
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Dates: during 2010-2019
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Layton and Beamer, whose latest study has been accepted for fall publication in the journal Environmental Science & Technology, knew a lot about their subject even before they set to work. Historically, everyone from chemists to homemakers has tried to figure out just what dust is made of, and the Arizona researchers drew their preliminary data mostly from two studies of household dust conducted in the Netherlands and the U.S. The American survey in particular was a big one, covering six Midwestern states. Layton and Beamer also included a localized study in Sacramento, Calif., that focused particularly on lead contamination. What...
...soles of your shoes. Smaller dust particles - from 28 to 49 microns, or thousandths of a millimeter - tend to stay on your shoes. The rest is shaken off inside. A higher share of the dust that floats in the air gets deposited, but again, there's a lot that determines how much any one home will...
...mess that originates within the home is a lot easier to measure and control. The more people who live there, the more skin that's going to be shed, the more pets, the more animal fur. And, as Mom always warned, the more you walk around the house while eating, the more food debris you'll drop on the floor - which also attracts more insects that will die, decompose and add their own special zest to your dust. Cooking smoke and tobacco smoke, which are the most obvious contributors when they're being produced, actually make only a small contribution...
...force a filibuster, the majority has to keep a quorum of 51 at the ready. That means telling its members: Sorry, guys, you won't be making it to that fundraiser tonight. And a real filibuster also uses up a lot of time, which can be a problem at the end of a session when there is a lot of must-pass legislation, like spending bills, needed to keep the government operating. (See the top 10 outrageous earmarks...
...rich nation is sitting atop a giant cash surplus, with foreign reserves of nearly $140 billion. Muammar Gaddafi, who has ruled Libya for four decades and was once described by Ronald Reagan as "the mad dog of the Middle East," has said he intends to spend a lot of that money overhauling his country's creaking infrastructure, which was barely updated through more than two decades of international embargoes. (U.S. sanctions were lifted in 2004 following Libya's abandonment of its nuclear weapons program.) (See pictures of Colonel Gaddafi...