Word: ratio
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...women's voices and then rate the way they sound on a scale from "very unattractive" to "very attractive." On the whole, the people whose voices scored high on attractiveness also had physical features considered sexually appealing, such as broad shoulders in men and a low waist-to-hip ratio in women. This suggests either that an alluring voice is part of a suite of sexual qualities that come bundled together or that simply knowing you look appealing encourages you to develop a voice to match. Causation and mere correlation often get muddied in studies like this, but either...
...colleagues, got their information by analyzing the amount of the isotope oxygen-18 in foraminifera, tiny, shelled sea dwellers that thrived at the time. It turns out that when water evaporates from the sea but doesn't return (implying that it's trapped up on land somewhere, frozen), the ratio of oxygen-18 to oxygen-16 in seawater changes (O-18 is heavier, so it evaporates less). The foraminifera aren't picky; they just incorporate oxygen into their shells, in whichever form...
Since teaching fellows were hired before course enrollment was determined, the lower enrollment means a more favorable teaching fellow-to-student ratio...
...ideal director for The Golden Compass: Terry Gilliam, the wildly imaginative Monty Python alumnus who's equally at home in fractured fairy tales (Jabberwocky, The Brothers Grimm) and the voluptuous visualizing of otherworldly dictatorships (Brazil). But Gilliam is a handful for studio heads; he has a high ratio of aborted projects. To hire him would have taken balls on New Line's part, and quite possibly an financial death wish...
...second, larger study in the NEJM came to similar conclusions. By comparing the childhood medical records and adulthood hospital records of 276,835 Danish citizens born between 1930 and 1976, researchers found a distinct correlation between higher childhood body mass index (BMI) - the ratio between height and weight that is the standard for defining obesity - and a greater risk of future heart disease and heart disease-related death. According to the authors, it is the first study to conclusively link excess weight in childhood and health problems later on. What's more, the data showed that the correlation is linear...