Ecology Articles

• Sports Science
  Materials Science
  Inorganic Chemistry
  Chemistry
  Hurricanes and Cyclones
  Severe Weather
   
  

  Polytetrafluoroethylene

  Polytetrafluoroethylene (PTFE) is a fluoropolymer discovered by Roy J. Plunkett (1910–1994) of DuPont in 1938. It was introduced as a commercial product in 1946 and (in an example of a ... > more
• Volcanoes
  Natural Disasters
  Earthquakes
  Geography
  Near-Earth Object Impacts
  Tsunamis
   
  

  Caldera

  A caldera is a volcanic feature formed by the collapse of a volcano into itself, making it a large, special form of volcanic crater. A caldera collapse is usually triggered by the emptying of the ... > more
• Severe Weather
  Weather
  Storms
  Floods
  Hurricanes and Cyclones
  Tornadoes
   
  

  Severe weather terminology (United States)

  This article describes severe weather terminology used by the U.S. National Weather Service. The National Weather Service has developed a multi-tier concept for forecasting all types of hazardous ... > more
• Earth Science
  Sports Science
  Geology
  Near-Earth Object Impacts
  Environmental Issues
  Earthquakes
   
  

  Foucault pendulum

  A Foucault pendulum, or Foucault's pendulum, named after the French physicist Leon Foucault, was conceived as an experiment to demonstrate the rotation of the Earth; its action is a result of the ... > more
• Hurricanes and Cyclones
  Severe Weather
  Weather
  Geography
  Storms
  Climate
   
  

  List of Category 5 Pacific hurricanes

  This is a list of Category 5 Pacific hurricanes. A Category 5 hurricane, on the Saffir-Simpson Hurricane Scale, is the most catastrophic hurricane that can form. They are rare in the eastern Pacific ... > more
• New Species
  Exotic Species
  Trees
  Animals
  Invasive Species
  Nature
   

  Eucalypt

  Eucalypts are tree species belonging to three closely related genera, Angophora, Corymbia and Eucalyptus. Of these, Eucalyptus has the most species, the most-widely planted species and the biggest ... > more
• Snow and Avalanches
  Storms
  Severe Weather
  Geography
  Environmental Issues
  Water
   
  

  Lake effect snow

  Lake effect snow, which can be a type of snowsquall, is produced in the winter when cold winds move across long expanses of warmer lake water, picking up water vapor which freezes and is deposited on ... > more
• Forensics
  Bacteria
  Medical Imaging
  Triglycerides
  Sports Medicine
  Environmental Science
   
  

  Biosensor

  A biosensor is a device for the detection of an analyte that combines a biological component with a physicochemical detector ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Floods
  Geology
  Global Warming
   
  

  Seismic retrofit

  Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Seismic retrofit techniques will ... > more
• Climate
  Atmosphere
  Earth Science
  Floods
  Severe Weather
  Global Warming
   
  

  Jet stream

  Jet streams are fast flowing, relatively narrow air currents found in the atmosphere at around 12 km above the surface of the Earth, just under the tropopause. They form at the boundaries of adjacent ... > more

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