Earth & Climate Articles

• Insects (including Butterflies)
  Animals
  Geography
  Earthquakes
  Wildfires
  Mating and Breeding
   
  

  Monarch butterfly

  The Monarch butterfly (Danaus plexippus) is a well-known North American butterfly. Its wings feature an easily recognizable orange and black pattern. Monarchs are especially noted for their lengthy ... > more
• Tundra
  Birds
  Animals
  New Species
  Zoology
  Geography
   
  

  Snowy Owl

  The Snowy Owl is a large owl of the typical owl family Strigidae. It is also known in North America as the Arctic Owl or the Great White Owl. This huge yellow-eyed white bird is unmistakable. It is ... > more
• Alternative Fuels
  Fossil Fuels
  Energy and Resources
  Fuel Cells
  Energy and the Environment
  Petroleum
   
  

  Common ethanol fuel mixtures

  Ethanol (ethyl alcohol) and methanol (methyl alcohol) are two types of alcohol fuels. The use of pure alcohols in internal combustion engines is only possible if the engine is designed or modified ... > more
• 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
• Mating and Breeding
  New Species
  Extinction
  Life Sciences
  Wild Animals
  Food and Agriculture
   
  

  Rotifer

  The rotifers make up a phylum of microscopic, and near-microscopic pseudocoelomate animals. There are a variety of different shapes of rotifer. There is a well-developed cuticle which may be thick ... > more
• Trees
  Forest
  Botany
  Rainforests
  Sustainability
  Exotic Species
   
  

  Growth ring

  Growth rings (or "tree rings" or "annular rings") can be seen in a horizontal cross section cut through the trunk of a tree. Visible rings result from the change in growth speed through the seasons ... > more
• Water
  Floods
  Drought Research
  Geology
  Ecosystems
  Geography
   
  

  Artesian aquifer

  An artesian aquifer is a confined aquifer whose water is pressurized. Water will thus flow out of an artesian well without ... > more
• Rodents
  Animals
  Mammals
  Early Mammals
  Mice
  Evolution
   
  

  Rodent

  Rodentia is an order of mammals also known as rodents, characterised by two continuously-growing incisors in the upper and lower jaws which must be kept short by gnawing. Forty-percent of mammal ... > more
• Monkeys
  Animals
  Endangered Animals
  Mammals
  Apes
  Nature
   
  

  Monkey

  A monkey is any member of two of the three groupings of simian primates. These two groupings are the New World and Old World monkeys of which together there are nearly 200 species. A group of monkeys ... > more
• Monkeys
  Fish
  Marine Biology
  Fisheries
  Sea Life
  Oceanography
   
  

  Sea-Monkey

  Sea-Monkeys are a hybrid of Artemia salina, a species of brine shrimp. These are a type of fairy shrimp -- not true shrimp, but a branchiopod. The term Sea-Monkeys (sometimes unhyphenated) is a ... > more

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