Science Source December 28, 2009 DVD

Austrian professor Otto Loewi, winner of the 1936 Nobel Prize in Medicine for his discovery of acetylcholine, seen here with a group of his students i...

This is one of a series of photographs made to identify inmates of Bethlem Royal Hospital, a residence for those thought to be insane since 1400. Duri...

Gigantism. Giant, with his parents in their living room in 1970. Extreme cases of gigantism, like this, are usually caused by pituitary gland defects...

Illustration from 1896 depicting the primary plants present during the formation of the Keuper layer of rock strata beneath the earth's surface. The K...

Joseph Priestley, 1733-1804, English Unitarian minister and chemist. Priestley discovered oxygen in 1774 through his work on the isolation of gases.

Richard Anthony Proctor, English astronomer, best known for producing one of the earliest maps of Mars in 1867 from 27 drawings by the English observe...

Portrait of the American inventor and painter Samuel Morse (1791-1872). Morse graduated at the University of Yale in 1810 and in 1811 he visited Engla...

Plato (427-347 BC), Ancient Greek philosopher. Plato's spirit of rational inquiry led to today's scientific method. His writings shaped and continue t...

Jean Baptiste Perrin was a physicist and Nobel laureate (1926). Born 1870 in Lille, France, Perrin is best known for his study of the motion of partic...

Jean Baptiste Perrin was a physicist and Nobel laureate (1926). Born 1870 in Lille, France, Perrin is best known for his study of the motion of partic...

John Peckham, or Pecham (c. 1230-1292), Archbishop of Canterbury from 1279-1292, and student of astronomy and optics influenced by Roger Bacon.

Louis Agassiz, zoologist and geologist, and Benjamin Peirce, mathematician and astronomer, conferring in 1871. Agassiz was an innovator in the study o...

Linus Pauling (1901-1994), US chemist and double Nobel Laureate. Pauling was educated in Oregon, and later at the California Institute of Technology....

William G. Morton (1819-1868), American dentist who was the first to use inhaled ether as a surgical anesthetic.

A patient treated by Cesare Lombroso. Lombroso was a nineteenth century Italian criminologist who believed that a person's criminal tendencies were di...

Edward W. Morley (1838-1923), professor of chemistry at what is now Case Western University, who teamed up with Albert Michelson in 1887 to conduct th...

British chemist Robert Boyle, (1626-1691). Boyle was a strong supporter of the Galilean experimental method and the atomic theory. In 1661 with the pu...

British chemist Robert Boyle, (1626-1691). Boyle was a strong supporter of the Galilean experimental method and the atomic theory. In 1661 with the pu...

British chemist Robert Boyle, (1626-1691). Boyle was a strong supporter of the Galilean experimental method and the atomic theory. In 1661 with the pu...

Pharmacy assistant grinds herbs while the doctor lectures his students. This woodcut is taken from the Hortus Sanitatis minor, a guide to herbal medic...

British chemist Robert Boyle, (1626-1691). Boyle was a strong supporter of the Galilean experimental method and the atomic theory. In 1661 with the pu...

French inventor of the steam engine. 1647-1714.

William G. Morton (1819-1868), American dentist who was the first to use inhaled ether as a surgical anesthetic.

Portrait of the American inventor and painter Samuel Morse (1791-1872). Morse graduated at the University of Yale in 1810 and in 1811 he visited Engla...

Portrait of the American inventor and painter Samuel Morse (1791-1872). Morse graduated at the University of Yale in 1810 and in 1811 he visited Engla...

British soldier wearing a gas mask and protective suit in 1940, during the second World War.

George Mortimer Pullman (1831-1897), Amercan inventor and industrialist. Pullman is known for his ingenuity in moving buildings out of the way of the...

Portrait of the American inventor and painter Samuel Morse (1791-1872). Morse graduated at the University of Yale in 1810 and in 1811 he visited Engla...

Portrait of Henry Nottidge Moseley (1844-1891), English naturalist who sailed on the global scientific expedition of the HMS Challenger in 1872 throug...

Sir Roderick Murchison (1792-1871), influencial British geologist, who was president of the Royal Geographical Society, and first described and invest...

George Robert Milne Murray(1858-1911), British botanist and algologist.

Portrait of the American inventor and painter Samuel Morse (1791-1872). Morse graduated at the University of Yale in 1810 and in 1811 he visited Engla...

Scene of an open-air pharmacy, with a border illustrating various treatments. From a hebrew edition of Avicenna, circa 1440.

14th Century Italian pharmacy, little changed from the Arab original, a druggist dispenses theriac, a potion from more than 100 ingredients and used f...

Rider and horse move through a staged gas attack at a routine press call at Oranienburg near Berlin, 1932.

Diagram from 14th Century Egypt of a hand washing contraption.

Joseph Priestley, 1733-1804, English Unitarian minister and chemist. Priestley discovered oxygen in 1774 through his work on the isolation of gases.

Diagram of an aluminum Christmas tree submitted for a U.S. Patent. File on September 29, 1958 by inventors Clarence D. Reece and Nathan Paul.

Sir James Paget (1814-1899), British surgeon and pathologist, as illustrated by Sir Leslie Ward (who signed his work "Spy" in Vanity Fair magazine).

Hermann J. Muller (1890-1967), American geneticist best known for his work on the physiological and genetic effects of exposure to radiation. He was a...

Lady Astronomy, identified by the scroll she holds, points out the moon, stars and perhaps a few comets to a man whom some identify as the 15th centur...

Alexander Graham Bell opening a long distance phone line from New York to Chicago in 1892.

Mothers wth full-body gas masks for babies. Air is fed in through hand-pumped bellows. One woman holds a doll for practice. (England, circa 1939)

John Logie Baird (right), pioneer of photographic transmission, developed the first practical televisual system in 1929.

Mrs. H. H. Adams, a geologist and paleontologist, and the wife of a Texas Company petroleum field geologist. 1919.

Broken layers of Basalt at Hadley Rille, on the Moon. Taken on the Apollo 15 mission in 1971.

A CTD unit (conductivity, temperature and depth recorder) is lowered from a research ship using a hydrowire. The unit records these parameters as it i...

The fungal pathogen Batrachochytrium dendrobatidis causes chytridiomycosis in many species of amphibians. A substantial amount of evidence has been pr...

The fungal pathogen Batrachochytrium dendrobatidis causes chytridiomycosis in many species of amphibians. A substantial amount of evidence has been pr...

Modern marking techniques for amphibians, fish, and even some invertebrates like crayfish includes acrylic elastomer. Acrylic elastomer is injected ju...