Images

Portrait of Isabella I of Castile (1451-1504). c. 1490. Oil on panel. Collection of the Museo Nacional del Prado in Madrid, Spain.

A painted buckskin Ghost Dance shirt, Arapaho, c. 1890. Blackhawk Museum, Danville, California. Photo by Jim Heaphy.

Ghost Dance of the Sioux Indians in North America, illustration from The Illustrated London News, 3 January 1891. Library of Congress, Washington D.C.

Ghost Dance drum by George Beaver, late 1890s, wood, rawhide, and pigment. Fenimore Art Museum, Cooperstown, NY, USA.

An illustration by the Italian scientist Marcello Malpighi (1628-1694) showing the lungs of a frog. (Wellcome Images)

The tomb of the scientist Marcello Malpighi (1628-1694), Church of Santi Gregorio e Siro, Bologna, Italy.

A 17th-century oil-on-canvas portrait by Carlo Cignani of the Italian scientist Marcello Malpighi (1628-1694).

Portrait of Samuel Adams (1722-1803) a politician from Massachusetts and an American Founding Father. Oil on canvas portrait by John Singleton Copley, c. 1772. Museum of Fine Arts Boston.

Image of blackstrap molasses, produced in Paraguay. Picture by Wikipedia user Badagnani, May 2008.

George Grenville (1712-1770), Prime Minister of Great Britain from 1763 to 1765. Oil on canvas portrait by William Hoare, 1764. Christ Church, Oxford.