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Social grooming in a pair
A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
Reduced mobility in late adulthood often results in more limited activities and smaller social ...
Stressing that education reproduces a country’s social class system, conflict theorists point out ...
With the research technique called brainbow, each neuron is labeled with a different color, ...