decayed
51Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
52Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …
53Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
54Dental caries — This article is about dental caries in humans. To read about dental caries in other animals, please see dental caries (non human). Dental caries Classification and external resources Destruction of a tooth by cervical decay from dental caries.… …
55Fine-tuned Universe — The fine tuned Universe is the idea that the conditions that allow life in the Universe can only occur when certain universal physical constants lie within a very narrow range, so that if any of several fundamental constants were only slightly… …
56Defense Meteorological Satellite Program — DMSP images of Auroral bands circling north of Scandinavia The Defense Meteorological Satellite Program (DMSP) monitors meteorological, oceanographic, and solar terrestrial physics for the United States Department of Defense. The program is now… …
57Posthole — In archaeology a posthole is a cut feature used to hold a surface timber or stone. They are usually much deeper than they are wide although truncation may not make this apparent.Although the remains of the timber may survive most postholes are… …
58Water fluoridation — Fluoridation does not affect the appearance, taste or smell of drinking water.[1] Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water has flu …
59Counts per minute — This article is about radioactivity. For other uses of abbreviation, see CPM (disambiguation). Counts per minute (cpm) is a measure of radioactivity. It is the number of atoms in a given quantity of radioactive material that are detected to have… …
60Wither (comics) — Superherobox| caption=Wither Art by Paco Medina comic color=background:#ff8080 character name=Wither real name=Kevin Ford species=Human Mutant publisher=Marvel Comics debut= New Mutants vol. 2 #3 creators=Nunzio DeFilippis Christina Weir Keron… …
