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1.What review process does Facebook data scientists have to go through in order to launch a psychological study? Thousands of Facebook Inc. users received an unsettling message two years ago: They were being locked out of the social network because Facebook believed they were robots or using fake names. To […]

http://ed.ted.com/on/hwhfwgfw 1. Why can fancy traits, like long tail feathers that make flying more difficult, evolve even if they make survival less likely? 2. In a particular bird population, males with the longest and brightest tail feathers get more mating opportunities. Do you expect males in this population to grow […]

A circular coil enclosing an area of 160 cm2 is made of 210 turns of copper wire. The wire making up the coil has resistance of 7.0 ?, and the ends of the wire are connected to form a closed circuit. Initially, a 1.2-T uniform magnetic field points perpendicularly upward […]

1.)You are studying a population of wild coyotes and notice that every three years there is an epidemic of a bacterial disease. Which of the following best explains this periodic cycling of the disease? New coyotes are continuously born into the population. Coyotes are dying from other causes over time. […]