Natural Disaster Articles

• Rainforests
  Forest
  Ecology Research
  Ecology
  Soil Types
  Agriculture and Food
   
  

  Slash and burn

  Slash and burn (a specific practice that may be part of shifting cultivation or swidden-fallow agriculture) is an agricultural procedure widely used in forested areas. Although it was practised ... > more
• Nature
  Oceanography
  Ecology
  Marine Biology
  Earth Science
  Global Warming
   

  Ocean acidification

  Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, caused by their uptake of anthropogenic carbon dioxide from the atmosphere. Between 1751 and 2004 ... > more
• Dinosaurs
  Extinction
  Geography
  Nature
  Environmental Policy
  Marine Biology
   

  Cretaceous

  The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more
• 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
• Genetics
  Genes
  Cell Biology
  Molecular Biology
  Biochemistry Research
  Human Biology
   
  

  Genetic code

  The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells. Specifically, the code ... > more
• Global Warming
  Fish
  Geography
  Marine Biology
  Oceanography
  Ecology Research
   
  

  Antarctic krill

  The Antarctic krill is a species of krill found in the Antarctic waters of the Southern Ocean. Antarctic krill are shrimp-like invertebrates that live in large schools, called swarms, sometimes ... > more
• Organic Chemistry
  Geochemistry
  Chemistry
  Biochemistry
  Acid Rain
  Pollution
   
  

  Phosphate

  In inorganic chemistry, a phosphate is a salt of phosphoric acid. Phosphates are also important in biochemistry. Surface runoff of phosphates from excessively fertilized farmland can be a cause of ... > more
• Hazardous Waste
  Sports Science
  Chemistry
  Organic Chemistry
  Construction
  Physics
   
  

  Arsenic

  Arsenic is a chemical element in the periodic table that has the symbol As and atomic number 33. This is a notoriously poisonous metalloid that has three allotropic forms; yellow, black and grey. ... > more
• Sun
  Geomagnetic Storms
  Solar Flare
  Astronomy
  Earth Science
  Geology
   
  

  Solstice

  The summer solstice is an astronomical term regarding the position of the sun in relation to the celestial equator. The summer solstice is the day of the year with the longest daylight period and ... > more
• Geography
  Tundra
  Mammals
  Wild Animals
  Nature
  Animals
   
  

  Reindeer

  The reindeer, known as caribou when wild in North America, is an Arctic and Subarctic-dwelling deer. About 1 million live in Alaska, and a comparable number live in northern Canada. There are an ... > more

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