1832 in science

The year 1832 in science and technology involved some significant events, listed below.

Biology

Dr. Thomas Bell begins publication of A Monograph of the Testudinata, the first comprehensive study of the world's turtles.
Isidore Geoffroy Saint-Hilaire begins publication of Histoire générale et particulière des anomalies de l'organisation chez l'homme et les animaux, a key text on teratology.

Évariste Galois presents a general condition for the solvability of algebraic equations, thereby essentially founding group theory and Galois theory. On May 29, the eve of a duel from which he will die, he writes his "mathematical testament", a letter to Auguste Chevalier.
Peter Gustav Lejeune Dirichlet proves Fermat's Last Theorem for n = 14.
János Bolyai's system of non-Euclidean geometry is first published.

February 12 – In England, a second cholera pandemic begins to spread, starting from the East End of London. It is declared officially over in early May but deaths continue. It will claim at least 3000 victims. In Liverpool, Kitty Wilkinson becomes the "Saint of the Slums" by promoting hygiene.
July 19 – Anatomy Act in the United Kingdom provides for licensing and inspection of anatomists, and for unclaimed bodies from public institutions to be available for their dissection.
Dr James Kay publishes The moral and physical condition of the working-class employed in the cotton manufacture in Manchester.
Thomas Hodgkin first describes abnormalities in the lymph system later known as Hodgkin's lymphoma.

James Rennell's An Investigation of the Currents of the Atlantic Ocean, and of those which prevail between the Indian Ocean and the Atlantic is published posthumously by his daughter. It will not be significantly superseded for more than a century.

Michael Faraday states his laws of electrolysis.
c. December – Following a paper by Faraday, Belgian physicist Joseph Plateau and Austrian professor of practical geometry Simon Stampfer simultaneously and independently devise the phenakistiscope, an animation device creating an optical illusion of motion.

The first commutator DC electric motor, capable of turning machinery, is demonstrated by William Sturgeon in London.
The first drum-type rotary printing press is completed by anarchist Josiah Warren in New York.