1867 in science

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The year 1867 in science and technology involved many significant events, listed below.

Events

April - First clear recorded use of the word science in English with its modern usage as restricted to the natural and physical sciences (by Catholic theologian and mathematician W. G. Ward writing in the London-published Dublin Review).^[1]

Gorse naturalised in New Zealand and soon becomes the worst invasive weed.
Swiss botanist Simon Schwendener proposes his dual theory of lichens.^[2]
Rosa 'La France', the first Hybrid Tea rose, is cultivated by Jean-Baptiste Guillot.^[3]^[4]

March 16 - First publication of an article by Joseph Lister outlining the discovery of antiseptic surgery, in The Lancet.
July 17 - In Boston, Massachusetts, the Harvard School of Dental Medicine is established as the first dental school in the United States.
Yellow fever kills 3093 in New Orleans.
Henry Maudsley publishes The Physiology and Pathology of Mind.

January 1 - The Covington–Cincinnati Suspension Bridge opens between Cincinnati, Ohio and Covington, Kentucky, its 1,057-foot (322 m) main span making it the longest single-span bridge in the world by a margin of 14 m at this time. It will be renamed after its designer, John A. Roebling, in 1983.
February 17 - The first ship passes through the Suez Canal.
July 2 - First elevated railroad in the United States begins service in New York.
Pierre Michaux invents the front wheel-driven velocipede, the first mass-produced bicycle.