Search Results
All 2 records found.
Germ Theory Edition, 2nd Edition
From the Series Great Ideas of Science
Since prehistoric times, people have wondered what causes disease. Early people blamed evil spirits. Later, disease was thought to be caused by an imbalance of bodily fluids. By trial and… Read More →
Relativity, 2nd Edition
From the Series Great Ideas of Science
Since prehistoric times, people have wondered how the universe works. Early scientists studied how forces affect objects and watched how heavenly bodies move. In 1687 Isaac Newton published a Read More →