NEW YORK (AP) — Rehearsing “Swan Lake” a few weeks ago in a sweaty studio, trying to iron out some last-minute kinks, ballerina Unity Phelan stopped just before launching into the famed 32 ...

Plus, tips from podiatrists and celebrity stylists on how to wear the style. Claudia Willen is a New York-based Associate Editor at Instyle. She has over five years of experience in writing ...

Far fewer know just how hard the main ballerina role is to perform. As graceful and ephemeral as it appears, Odette-Odile is a dancer's Mount Everest, requiring stellar technique, prodigious ...

Standard Deviation is also known as root-mean square deviation as it is the square root of means of the squared deviations from the arithmetic mean. In financial terms, standard deviation is used -to ...