Hi, what do you want to do?
Other
The Aztec Calendar
This site provides a detailed description of the Aztec calendar with many pictures, charts, etc.
Other
The Un Museum: Radiocarbon Dating
How old is an object? Willard Libby found that the amount of carbon-14 decay found in an animal or plant could be used as a gauge of how long it had been dead.
University of Hamburg
University of Hamburg: Renaissance
A look at the Renaissance from the aspect of advances in the biological sciences, and in particular botany. Information is provided about famous botanists from that era and their accomplishments.
Space Telescope Science Institute
Hubble Site: Lyman Spitzer Jr.
At the HubbleSite you can learn about Lyman Spitzer's (1914?1997 CE) inventions and accomplishments in the science field.
PBS
Pbs: First Successful Kidney Transplant Performed
Discusses the first successful kidney transplant performed in 1954.
Curated OER
Smithsonian Institution Archives: Mary Engle Pennington (1872 1952)
Chemist Mary Engle Pennington (1872-1952), an expert on the refrigeration of perishable foods, had just been chosen by the American Chemical Society as the 1940 recipient of the Francis P. Garvan Gold Medal to honor outstanding...
Curated OER
University of St Andrews: Alonzo Church
Short biographical entry on Church's accomplishments in logic and significance for modern computer science.