Sleeping Helps you Lose! Researchers from the University of Chicago and the University of Wisconsin, Madison, recently reported new findings on the relationship between sleep and weight loss. In a clinical randomized trial, subjects getting 5.5 hours of sleep over a 2-week period lost the same amount of weight as […]

Which of the following descriptions is an example of a fixed-action pattern? a. a crane in a captive-breeding program imprinting on its human caregiver b. a male stickleback chasing a red-bellied object from its territory c. a black cap migrating to its winter territory d.a songbird learning its song after […]

A public health epidemiologist from a very sparsely populated rural county of California was asked to present to the public health advisory board data on students who have not completed all mandated school age vaccinations. The epidemiologist presented student immunization rates comparing the small county to the student immunization rates […]

Q1. A farmer planted a field of BT 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 35 ears in 1/1000 of an acre. He determines that each ear has about 500 kernels on average. He also knows that a bushel contains about […]