Adult human flea, magnified twenty-two times.

Adult Human Flea

Adult human flea, magnified twenty-two times.

This painting, by Tintoretto, depicts the Scarcity of the Church of the Madonna della Salute in Venice, Italy.

The Marriage at Cana

This painting, by Tintoretto, depicts the Scarcity of the Church of the Madonna della Salute in Venice,…

"This picture is based upon a photograph of a painting which has won great fame during recent years. The artist has represented Pasteur, the celebrated scientist, busily at work in his laboratory, recording the results of his microscopal study of bacteria. As the great master of modern science rests for a moment from his midnight researches, he appears to see in a vision the victims of pestilence, famine, and infectious diseases imploring relief from the good angel who symbolizes the wonderful victories won by Pasteur in combating disease." — Blaisedell, 1904

Louis Pasteur

"This picture is based upon a photograph of a painting which has won great fame during recent years.…

The animal which carried the palgue germs into over fifty countries.

Rat

The animal which carried the palgue germs into over fifty countries.