The 19th century saw some of the great names of science: people like the chemist John Dalton, who developed the atomic theory of matter, Michael Faraday and James Maxwell who both put forward ...

Since light passes unhindered through vacuums, including the vacuum between the stars and the earth, 19th century scientists were driven to postulate a “luminiferous ether.” which filled all ...

There was no such thing as a science of chemistry in the time of ... Limited as chemical knowledge was when the nineteenth century opened, there were, however, certain men at work, who had adopted ...

In the late-19th century, scientists showed that certain infectious agents, such as those causing tobacco mosaic virus and yellow fever, were distinct from other microbes because they were so small.

However, his legacy extends far beyond science. In the 19th century, Wallace's observations were striking. British imperialism was at its zenith, and the Industrial Revolution was fueling a ...

The Smithsonian Institution in the 1850s recruited hundreds of citizen scientists across the nation to track when they saw plants bud or grow leaves. At the time, Florida had been a state for only six ...