Mannerisms of Millennials: Why are they different?

Two Measures of Reserves: Why Are They Different?

Though these series have similardescriptions, their growth rates often differ substantially, especially over periods as short as a month (table 1). For instance, in the three years ending in December 1982, the difference between monthly growth rates of the two reserves series (absolute value) averaged 8.6 percentage points. Average differences in growth rates were much smaller over periods long...

DABCO and DMAP--why are they different in organocatalysis?

medicinal plants and antioxidants: why they are not always beneficial?

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Tales of 34 iPhone Users: How they change and why they are different

We present results from a longitudinal study of 34 iPhone 3GS users, called LiveLab. LiveLab collected unprecedented usage data through an in-device, programmable logger and several structured interviews with the participants throughout the study. We have four objectives in writing this paper: (i) share the findings with the research community; (ii) provide insights guiding the design of smartp...

Why are arteries the size they are?

SONES AND SHIREY (12) PERFORMED the first coronary artery angiogram by accident in 1958. While injecting contrast material for a left ventricular angiogram, the catheter slipped out of the ventricle and into the right coronary artery. Sones immediately recognized the advantage of visualizing the coronary artery lumen, and coronary angiography quickly developed (3, 12). Coronary angiography prov...