Grassland Articles

• Monkeys
  Mammals
  Apes
  New Species
  Endangered Animals
  Exotic Species
   
  

  Gibbon

  Gibbons are the small apes that are grouped in the family Hylobatidae. Also called the lesser apes, gibbons differ from great apes (chimpanzees, gorillas, orangutans and humans) in being smaller, ... > more
• Vitamin D
  Healthy Aging
  Optics
  Attention Deficit Disorder
  Geomagnetic Storms
  Sports Science
   
  

  Ultraviolet

  Ultraviolet (UV) radiation is electromagnetic radiation of a wavelength shorter than that of the visible region, but longer than that of soft X-rays. The Sun emits ultraviolet radiation in the UVA, ... > more
• Ozone Holes
  Environmental Issues
  Air Quality
  Air Pollution
  Pollution
  Atmosphere
   
  

  Ozone

  Ozone (O3) is an allotrope of oxygen, the molecule consisting of three oxygen atoms instead of the more stable diatomic O2. Ozone is a powerful oxidizing agent. It is present in low concentrations ... > more
• Renewable Energy
  Hazardous Waste
  Energy and the Environment
  Recycling and Waste
  Environmental Science
  Environmental Issues
   
  

  Radioactive waste

  Radioactive waste is waste type containing radioactive chemical elements that does not have a practical purpose. It is sometimes the product of a nuclear process, such as nuclear fission. The ... > more
• Energy and the Environment
  Alternative Fuels
  Renewable Energy
  Fuel Cells
  Batteries
  Fossil Fuels
   
  

  Fuel cell

  A fuel cell is an electrochemical device similar to a battery, but differing from the latter in that it is designed for continuous replenishment of the reactants consumed; i.e. it produces ... > more
• Ancient Civilizations
  Volcanoes
  Archaeology
  Lost Treasures
  Natural Disasters
  Cultures
   
  

  Pompeii

  Pompeii is a ruined Roman city near modern Naples in the Italian region of Campania, in the territory of the commune of Pompei. It was destroyed during a catastrophic eruption of the volcano Mount ... > more
• Alternative Fuels
  Fossil Fuels
  Fuel Cells
  Energy and the Environment
  Vehicles
  Petroleum
   
  

  Flexible-fuel vehicle

  A flexible-fuel vehicle (FFV) or dual-fuel vehicle (also sometimes called only flex-fuel) is an automobile that can typically alternate between two sources of fuel. A common example is a vehicle that ... > more
• Tsunamis
  Natural Disasters
  Earthquakes
  Geography
  Earth Science
  Severe Weather
   
  

  2004 Indian Ocean earthquake

  The 2004 Indian Ocean earthquake, known by the scientific community as the Sumatra-Andaman earthquake, was an undersea earthquake that occurred at 00:58:53 UTC (07:58:53 local time) on December 26, ... > more
• Energy and the Environment
  Oil Spills
  Geography
  Air Quality
  Rainforests
  Renewable Energy
   
  

  Filling station

  A filling station, gas station or petrol station is a facility which sells fuel and lubricants for road motor vehicles. The most common fuels sold are gasoline (petrol) or diesel fuel. Some stations ... > more
• Hurricanes and Cyclones
  Severe Weather
  Storms
  Natural Disasters
  Floods
  Weather
   
  

  Storm surge

  A storm surge is an onshore rush of water associated with a low pressure weather system, typically a tropical cyclone. Storm surge is caused primarily by high winds pushing on the ocean's ... > more

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