Extreme Survival Articles

• Horses
  Mammals
  Mating and Breeding
  Veterinary Medicine
  Animals
  Genetics
   

  Hinny

  A hinny is the offspring of a male horse and a female donkey (jennet or jenny). They are rarer than mules, which are the offspring of a male donkey (jackass or jack) and a female horse. Like the ... > more
• Insomnia Research
  Insomnia
  Sleep Disorder Research
  Sleep Disorders
  Sports Medicine
  Nature
   

  Circadian rhythm

  A circadian rhythm is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. In a strict sense, circadian rhythms are ... > more
• Mammals
  Animals
  Fish
  Zoology
  Invasive Species
  Wild Animals
   
  

  Walrus

  Walruses are large semi-aquatic mammals that live in the cold Arctic seas of the Northern Hemisphere. Walruses spend about half their time in the water and half their time on beaches or ice floes, ... > more
• Infectious Diseases
  Foodborne Illness
  Microbes and More
  Healthy Aging
  HIV and AIDS
  Viruses
   
  

  Pathogen

  A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt the normal physiology of a multicellular animal or ... > more
• Behavioral Science
  Zoology
  Bird Flu Research
  Animals
  Birds
  Dolphins and Whales
   

  Pigeon intelligence

  Pigeons have featured in numerous experiments in comparative psychology, including experiments concerned with animal cognition, and as a result we have considerable knowledge of pigeon intelligence. ... > more
• Air Pollution
  Acid Rain
  Geochemistry
  Organic Chemistry
  Soil Types
  Organic
   
  

  Nitrogen

  Nitrogen is the chemical element in the periodic table that has the symbol N and atomic number 7. Nitrogen constitutes 78 percent of Earth's atmosphere and is a constituent of all living tissues. ... > more
• Animals
  Trees
  Soil Types
  Frogs and Reptiles
  Zoology
  Beer and Wine
   
  

  Centipede

  Centipedes (Class Chilopoda) are fast-moving venomous, predatory, terrestrial arthropods that have long bodies and many jointed legs. Chiefly nocturnal, centipedes are found primarily in tropical ... > more
• Mammals
  Caving
  Agriculture and Food
  Geography
  Zoology
  Soil Types
   
  

  Mole (animal)

  Moles are members of the family (Talpidae) of mammals in the order Insectivora that live underground, burrowing holes. They have cylindrical bodies covered in fur with small or covered eyes; the ears ... > more
• Behavioral Science
  Evolutionary Biology
  Nature
  Zoology
  Biology
  Mating and Breeding
   
  

  Instinct

  Instinct is the inherent disposition of a living organism toward a particular behavior. Instincts are generally inherited patterns of responses or reactions to certain kinds of stimuli. Instinctive ... > more
• Dolphins and Whales
  Animals
  Mammals
  Sea Life
  Endangered Animals
  Marine Biology
   
  

  Whale

  Whales are the largest species of exclusively aquatic mammals, members of the order Cetacea. Like all mammals, whales breathe air into lungs, are warm-blooded, feed their young milk from mammary ... > more

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