Contaminating
71History of Greenland — Hunting and whaling have always been important ways to make a living on Greenland. One of the animals found here is the polar bear, which is on the coat of arms of the Danish royal family The history of Greenland is the history of life under… …
72Alexander Shulgin — This article is about the scientist. For the musician, see Alexander Shulgin (musician). Alexander Shulgin Born June 17, 1925 (1925 06 17) …
73Neisseria gonorrhoeae — cultured on two different media types and presented in stereoscopic 3d. Scientific classification Kingdom …
74Formaldehyde — For other uses, see Formaldehyde (disambiguation). Formaldehyde …
75Breast cancer — Classification and external resources Mammograms showing a normal breast (left) and a cancerous breast (right). ICD 10 C …
76Bundaberg, Queensland — Infobox Australian Place | type = city name = Bundaberg state = qld lga = Bundaberg Regional Council caption = pop = 59,768 (2007) pop footnotes = [Census 2006 AUS | id = 3045 |name = Bundaberg (QLD) (Statistical District)|quick =… …
77Avalanche — This article refers to the natural event. For other uses, see Avalanche (disambiguation) An avalanche is an abrupt and rapid flow of snow, often mixed with air and water, down a mountainside. Avalanches are among the biggest dangers in the… …
78Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward …
79Ignaz Semmelweis — Dr. Ignaz Semmelweis, aged 42 in 1860 pen sketch by Jenő Dopy …
80Ecotourism — Llano del Muerto waterfall in El Salvador …
