January 20, 2009 Science Source

This silver pocket case, fleam, and scarifier date from 1802. The fleam was used for bloodletting, the scarifier for smallpox inoculations.

A print from a contemporary broadsheet depicting a comet appearing over Nuremberg in December 1680.

Dr. Robert C. Gallo. Director of the Institute of Human Virology. Dr. Gallo is famous for co-discovering that the HIV virus caused AIDS.

Comet Cartoon from 1857.

The Country Doctor Museum in Bailey, North Carolina, is the oldest museum in the United States dedicated to the history of America's rural health care...

Atomic testing ground at Mururua atoll, 800 miles from Tahiti.

Laboratory of English physicist Michael Faraday (1791-1867). Born into poverty and chiefly self-educated, Faraday is considered one of the greatest ex...

Albert Einstein (1879-1955).

The American astronomer, Edwin Powell Hubble (1889-1953), seen in front of the 2.5m telescope at Mount Wilson Observatory. By using this telescope, Hu...