Swan - the animal to which the objects above are named after, due to the unique neck shape.
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Louis Pasteur discovered that this method slows bacteria from gathering in the test tube in 1862 during one of his many chemical and microbiological tests.
Swan Lake | Black Swan | Swan Hill | Whooper Swan | Swan River | Swan | Swan River (Western Australia) | Swan River Colony | Swan Racing | Chrissie Swan | Great Neck, New York | Swan Goose | Swan Districts Football Club | swan | Nautor's Swan | Mute Swan | Wayne Swan | Trevor Swan | Swan River Honeyeater | Joseph Swan | John Swan | Daniel C. Swan | Black Swan (film) | The Swan | Swan Song Records | Swan Range | Swan Quarter, North Carolina | Swan Point Cemetery | Swan Coastal Plain | Protect Ya Neck |