Caving Articles

• Endangered Plants
  Botany
  Nature
  Pests and Parasites
  Seeds
  Rainforests
   
  

  Plant

  Plants are a major group of living things including familiar organisms such as trees, flowers, herbs, ferns, and mosses. About 350,000 species of plants, defined as seed plants, bryophytes, ferns and ... > more
• Aviation
  Vehicles
  Sports Science
  Weather
  Geography
  Air Quality
   
  

  Altimeter

  An altimeter is an active instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the ... > more
• Hurricanes and Cyclones
  Severe Weather
  Storms
  Weather
  Oil Spills
  Geography
   
  

  Hurricane Dennis

  Hurricane Dennis was the fourth named storm, second hurricane, and first major hurricane of the 2005 Atlantic hurricane season. In July, the hurricane set several records for early season hurricane ... > more
• Geography
  Global Warming
  Oceanography
  Earth Science
  Weather
  Climate
   
  

  Bermuda Triangle

  The Bermuda Triangle (also known as Devil's Triangle) is a 1.5-million-square-mile area of ocean roughly defined by Bermuda, Puerto Rico, and the southern tip of Florida. Some believe it is a ... > more
• Energy and the Environment
  Renewable Energy
  Environmental Science
  Fuel Cells
  Sustainability
  Alternative Fuels
   
  

  Liquid nitrogen economy

  A liquid nitrogen economy is a hypothetical proposal for a future economy in which the primary form of energy storage and transport is liquid nitrogen. It is proposed as an alternative to liquid ... > more
• Energy and the Environment
  Electricity
  Renewable Energy
  Energy Technology
  Sustainability
  Solar Energy
   
  

  Hydroelectricity

  Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. Less common variations make ... > more
• Fossils
  Environmental Policy
  Extinction
  Ice Ages
  Origin of Life
  Early Climate
   
  

  Cambrian

  The Cambrian is a major division of the geologic timescale that begins about 542 Ma (million years ago) at the end of the Proterozoic eon and ended about 488.3 Ma with the beginning of the Ordovician ... > more
• Hurricanes and Cyclones
  Severe Weather
  Floods
  Natural Disasters
  Weather
  Oil Spills
   
  

  Effect of Hurricane Katrina on New Orleans

  The effect of Hurricane Katrina on New Orleans was catastrophic and long-lasting. The storm, which was the costliest hurricane as well as one of the deadliest natural disasters in U.S. history, made ... > more
• Nature
  Ecology
  Ecology Research
  Global Warming
  Ecosystems
  Rainforests
   

  Homeostasis

  Homeostasis is the property of an open system, especially living organisms, to regulate its internal environment to maintain a stable, constant condition, by means of multiple dynamic equilibrium ... > more
• Monkeys
  Endangered Animals
  Mammals
  Apes
  Rainforests
  Zoology
   
  

  Lar Gibbon

  The Lar Gibbon (Hylobates lar), also known as the White-handed Gibbon, is a primate in the Hylobatidae or gibbon family. It is one of the more well-known gibbons and is often seen in ... > more

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