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Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Using the fingertips of one hand, make contact with an area on the back with high fascial ...
What atomic or hybrid orbital on P make up the sigma bond between P and Cl in phosphorous ...