 the year 1855 in science and technology involved some significant events, listed below. ==biology== * robert remak publishes untersuchungen Ã¼ber die entwickelung der wirbelthiere in berlin, providing evidence for cell division, which is supported (but not acknowledged) by rudolf virchow.virchow, r. archiv fÃr pathologische anatomie und physiologie und fÃ¼r klinische medicin 8 (1855). ==cartography== * september â rev. james patterson presents the gall orthographic projection for celestial and terrestrial equal-area cartography.at glasgow meeting of british association for the advancement of science. ==chemistry== * may 10 â the bunsen burner is invented by robert wilhelm bunsen. * friedrich gaedcke first isolates the cocaine alkaloid, which he names "erythroxyline". * william odling proposes that carbon is tetravalent. * charles-adolphe wurtz publishes the wurtz reaction. * benjamin silliman, jr. pioneers methods of petroleum cracking, which makes the entire modern petrochemical industry possible. ==exploration== * november 17 â dr david livingstone becomes the first european to see the victoria falls. ==medicine== * march â mary seacole opens the british hotel at balaklava, a nursing and convalescent establishment for crimean war officers. * october â the renkioi temporary hospital, prefabricated in wood to a design by i. k. brunel, is erected in turkey to serve crimean war invalids.{{cite book|title=renkioi: brunel's forgotten crimean war hospital|first=christopher|last=silver|location=sevenoaks|publisher=valonia pres
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