When+exposed+to

  • 21Dental 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.… …

    Wikipedia

  • 22Mountain yellow-legged frog — Conservation status Endangered (IUCN 3 …

    Wikipedia

  • 23bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …

    Universalium

  • 24Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… …

    Wikipedia

  • 25papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper.   paʹper·mak er n. * * * Introduction       formation of a matted or felted sheet, usually of cellulose fibres,… …

    Universalium

  • 26List of Doctor Who universe creatures and aliens — This is a list of fictional creatures and aliens from the universe of the long running BBC science fiction television series Doctor Who, including Torchwood, The Sarah Jane Adventures and K 9. It covers alien races and other fictional creatures,… …

    Wikipedia

  • 27Geology of the Grand Teton area — The geology of the Grand Teton area consists of some of the oldest rocks and one of the youngest mountain ranges in North America. The Teton Range, mostly located in Grand Teton National Park, started to grow some 9 million years ago. An older… …

    Wikipedia

  • 28art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …

    Universalium

  • 29Mobile phone radiation and health — A man speaking on a mobile telephone The effect of mobile phone radiation on human health is the subject of recent interest and study, as a result of the enormous increase in mobile phone usage throughout the world (as of June 2009 …

    Wikipedia

  • 30Chaotic (TV series) — Chaotic Genre Animation, Adventure, Family, Fantasy Format Animated television series Created by Martin Rauff Developed by Norman J. Grossfeld Michael Haigney …

    Wikipedia