Lisa Yount
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English
Description
For his discoveries of microscopic life, Antoni van Leeuwenhoek is remembered today as one of the great geniuses of science. Using microscopes he made himself, Antoni van Leeuwenhoek peered into exciting new worlds that no one knew existed before. Beginning in the 1670s, he discovered tiny, single-celled living things that he called "little animals." His curiosity led him to examine lake water, moldy bread, and even the plaque build-up on his own...
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English
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Antoine Lavoisier is considered to be the father of modern chemistry. Using experiments and careful measurements, he created a system to help chemists understand how matter behaves. He discovered and named oxygen and hydrogen, and helped set up a system to classify these and other elements. Perhaps his most famous discovery is the role oxygen plays in combustion.
Author
Language
English
Description
In the 17th century the English physician, William Harvey described for the first time the details of the human circulatory system. Harvey discovered that the heart was a muscle and that by contracting, pushed blood through the body. He worked out the whole pattern of the heartbeat. William Harvey's genius changed how people understood the workings of the human body. This marked on the greatest advances in the study of medicine.