In one study, subjects watched a 30-second clip of college teachers at the beginning of a term and rated them on characteristics such as accepting, active, competent, and confident.

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Born in California in 1913, Nixon had a brilliant record at Whittier College and Duke University Law School before beginning the practice of law.

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Many parents want to keep boys and girls separate in schools beginning at the intermediate education level, says Shrimohan Arora, school manager at the Amar Chand Kanya Intermediate College for girls in Atrauli, Uttar Pradesh state.

CNN: For a girl in rural India, education is a difficult pursuit