Word: metrically
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...study is the first comprehensive look at the exact concentrations and consequences of the gas. The investigators found that although N2O is only one-sixtieth as dangerous to the ozone layer as CFCs on a gram-by-gram basis, the sheer amount of N2O - each year nearly 1 billion metric tons of CO2 equivalent are released globally - means that it now poses a more significant threat to the atmosphere. (N2O emissions are calculated in terms of their impact on global warming, and CO2 is used as a kind of base level.) (See Q&A: "Regional Nuclear War and the Environment...
...shipping system was born. Today crude oil travels in tankers that can carry up to 4 million bbl. With daily world demand at about 85 million bbl., petroleum represents about a third of all international cargo. And even though the commodity is also measured in kiloliters (in Japan) and metric tons (in Russia), thanks to whiskey, the units are always converted to the 42-gal. barrel for trading and selling. (Watch the video "In Ecuador: Oil-Eating Mushrooms...
...determine individual health outcomes. But the practice of categorizing patients by race has yet to further the discovery of significant gene mutations. What's more, say critics, it promotes racial thinking while dismissing the more germane issue of socioeconomics. Indeed, Albain and her coauthors used a single, widely disputed metric in their study - patients' zip codes linked to census tract data - to "adjust" for socioeconomic status. Yet researchers know that people living within one zip code can include the city's wealthiest and poorest residents. And even if zip codes were a trustworthy indicator of income and education, they would...
...Gulf of Mexico, it contributes to what's known as a dead zone, a seasonal, approximately 6,000-sq.-mi. area that has almost no oxygen and therefore almost no sea life. Because of the dead zone, the $2.8 billion Gulf of Mexico fishing industry loses 212,000 metric tons of seafood a year, and around the world, there are nearly 400 similar dead zones. Even as we produce more high-fat, high-calorie foods, we destroy one of our leanest and healthiest sources of protein. (See nine kid foods to avoid...
...score, a new question this year attempted to measure colleges’ commitment to undergraduate teaching by having university officials name schools that they believed exhibited an outstanding commitment specifically to undergraduate education. Dartmouth, Princeton, Yale, Stanford, and the University of Maryland Baltimore County were ranked best in this metric among Harvard's peer institutions, but Harvard did not receive the seven necessary votes to be ranked at all, according to Morse...