Science Source December 28, 2009 DVD

A relay is an electrical switch controlled by the signal from another circuit. An electromagnetic or electromechanical relay is based on an electromag...

Tamiflu (oseltamivir) is an antiviral drug indicated for the treatment and prevention of infections due to influenza A and B virus. Oseltamivir was wi...

Tamiflu (oseltamivir) is an antiviral drug indicated for the treatment and prevention of infections due to influenza A and B virus. Oseltamivir was wi...

Tamiflu (oseltamivir) is an antiviral drug indicated for the treatment and prevention of infections due to influenza A and B virus. Oseltamivir was wi...

Galileo Galilei. Portrait of Galileo Galilei (1564-1642), Italian astronomer and physicist. In 1610 he became the first person to use a telescope to m...

Provided with a model of the celestial sphere, reference books and dividers, a medieval astrologer draws up a horoscope in this engraving from Robert...

Pancreas.

Pancreas.

Pancreas.

Human pancreas and gallbladder.

Human pancreas and gallbladder.

Human pancreas and gallbladder.

Human pancreas, gallbladder and stomach.

Human pancreas, gallbladder and stomach.

Human pancreas, gallbladder and stomach.

Human pancreas and stomach.

Human pancreas and stomach.

Human pancreas and stomach.

Arteriogram of a hand. The radial artery can be seen in the lower left and the ulnar artery in the lower right. This early x-ray was made by Alfred G....

Arteriogram of a hand. The radial artery can be seen in the lower left and the ulnar artery in the lower right. This early x-ray was made by Alfred G....

Arteriogram of a hand. The radial artery can be seen in the lower left and the ulnar artery in the lower right. This early x-ray was made by Alfred G....

Arteriogram of a hand. The radial artery can be seen in the lower left and the ulnar artery in the lower right. This early x-ray was made by Alfred G....

A cross-section drawing of the human brain, showing the cerebrum, cerebellum, and the basal ganglia. The cortex is depicted by the dotted areas. The h...

This is a myological plate, originally done by Crisostomo Martinez. This is a copy done by Johann Ludwig Choulant, (1791-1861). Color enhancement of 9...

This is a myological plate, originally done by Crisostomo Martinez. This is a copy done by Johann Ludwig Choulant, (1791-1861). Color enhancement of 9...

Medicine in the Middle Ages. Color enhancement of 9N1102.

"The doctor discovers, one by one, the secrets of the human body." Andreas Vesalius (1514-1564), the Belgian anatomist who founded modern anatomy. In...

Gabriele Falloppio (1523 - 1562), Italian anatomist and physician. Also known as Fallopius, Fallopio contributed to the study of anatomy and medical h...

Drawing of the brain and pineal gland from a physiology textbook by Rene Descartes (French, 31 March 1596 - 11 February 1650). Descartes believed that...

Drawing of the brain and pineal gland from a physiology textbook by Rene Descartes (French, 31 March 1596 - 11 February 1650). Descartes believed that...

French anatomist, physician, and anthropologist Paul Broca (1824-1880). Broca's early works dealt with the history of bone and cartilage, cancer patho...

For many centuries, healing by stroking a patient was considered to be an effective treatment because it made use of the supposed phenomenon of "anima...

The English physician and anatomist Sir William Bowman (1816-1892) made many important contributions to the understanding of the structure and functio...

This alchemy illustration is from the 1552 book 'Destillierbuch der rechten Kunst,' by Hieronymus Brunschwig. It catalogues pages of helpful informati...

Allegorical representation of the Demon of the Plague, from H. von Gersdorf's Feldtbuch der Wundarzney, printed by Johann Schott, Strasbourg, 1540. Co...

One of the first known illustrations of a physician lancing a wound -- here, a boil or vesicle on a plague victim. Color enhancement of BN2341.

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

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

Illustration of a medieval Italian pharmacy. Color enhancement of BN5626.

Illustration of a medieval Italian pharmacy. Color enhancement of BN5627.

Illustration of a medieval Italian pharmacy. Color enhancement of BN5628.

A historical anatomical illustration of the brain with parts labeled according the medical knowledge of the time. Color enhancement of GA3391.

A historical anatomical illustration of the brain with parts labeled according the medical knowledge of the time. Color enhancement of GA3391.

A historical anatomical illustration of the brain with parts labeled according the medical knowledge of the time. Color enhancement of GA3391.

Allvar Gullstrand (1862-1930), Swedish professor and ophthalmologist. Gullstrand was professor (1894-1927) at the University of Uppsala, where he stud...

A modern science classroom with a teacher desk, laptop, skeleton, microscope and science posters.

An eleven year old boy setting up a 'Mentos Fountain'. It is a demo of the chemical concepts of physical change and nucleation. Mentos brand mints are...

Kids doing a 'Mentos Fountain' demonstration. It is a demo of the chemical concepts of physical change and nucleation. Mentos brand mints are dropped...

Kids doing a 'Mentos Fountain' demonstration. It is a demo of the chemical concepts of physical change and nucleation. Mentos brand mints are dropped...

Diagrammatic presentation of antigen/antibody reaction. Antigens are substances that are capable of mobilizing the immune system and provoking an immu...