Famous Scientists
Famous Scientists: William Harvey
Find out how William Harvey was the first known to describe completely the systemic circulation and properties of blood being pumped to the brain and body by the heart.
Nature Research
Nature Education: Studying and Projecting Climate Change
A model organizes what we think we know about something in order to predict how it might behave in the present, future, or past as well as how it might respond to external influence. Models are especially useful when direct, controlled...
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