Human neural stem cells stained for nestin (red). Nestin is a type of intermediate filamant protein that is used as a marker of neural stem cells. The blue dots are the cell nuclei stained with DAPI. Neural stem cells can be made to develop into cells found in the central nervous system; neurons, astrocytes and oligodendrocytes.
Science: a machine for determining the specific gravity of various substances. Coloured engraving by J. Lodge.
Three inventions: a torsion-bar for measuring forces, a drill-bit, and a lens. Engraving by Mutlow and Russell, c. 1812, after J. Farey.
Astronomy: a diagram showing how to determine longitude. Coloured engraving by J. Emslie, 1851, after himself.
Astronomy: a diagram showing how to determine latitude. Coloured engraving by J. Emslie, 1851, after himself.
Introduced by the Duke of Wellington, John Bull and Sir Robert Peel interrupt a dinner table occupied by government ministers and Lord Melbourne. Coloured lithograph by H.B. (John Doyle), 1838.
Mr. Lambkin in an old bachelors' club, completely recovered from his illness and contemplating the errors of his ways. Lithograph by G. Cruikshank.
Science: a complex machine for determining the specific gravity of various substances, an observer in early eighteenth-century dress looks on. Engraving.
Illustration emphasizing the ancient pseudo-science of physiognomy which tries to determine a man's character from his outward resemble to animals
A philosopher in his study, consulted by an old woman to determine from a flask of urine whether the young woman accompanying her is pregnant.
The dissection of a young, beautiful woman directed by J. Ch. G. Lucae (1814-1885) in order to determine the ideal female proportions.