Cloning Articles

• Frogs and Reptiles
  New Species
  Animals
  Fish
  Early Humans
  Biology
   

  Frog zoology

  About 400 million years ago, some members of the sarcopterygian group of fish moved onto land. These became the first amphibians. Today, these animals still spend part of their lives in water and ... > more
• Mammals
  Animals
  Nature
  Endangered Animals
  Invasive Species
  Wild Animals
   
  

  American Black Bear

  The American Black Bear (Ursus americanus), also known as simply the black bear or cinnamon bear, is the most common bear in North America. Black bears prefer forested and shrubby areas but use wet ... > more
• Hormone Disorders
  Nervous System
  Psychology Research
  Menopause
  Molecular Biology
  Thyroid Disease
   
  

  Anterior pituitary

  The anterior pituitary (also called the adenohypophysis) comprises the anterior lobe of the pituitary gland and is part of the endocrine system. Under the influence of the hypothalamus, the anterior ... > more
• Dolphins and Whales
  Mammals
  Endangered Animals
  Animals
  New Species
  Sea Life
   
  

  Right whale

  The right whales are marine mammals belonging to the family Balaenidae. Right whales are baleen whales belonging to the family Balaenidae. Three right whale species are recognized in the genus ... > more
• Eye Care
  Sports Medicine
  Healthy Aging
  Cosmetic Surgery
  Diseases and Conditions
  Obesity
   
  

  Cataract

  A cataract is an opacity that develops in the crystalline lens of the eye or in its envelope. Early on in the development of senile cataract the power of the crystaline lens may be increased, causing ... > more
• Global Warming
  Environmental Issues
  Climate
  Environmental Policy
  Nature
  Air Quality
   
  

  Greenhouse gas

  Greenhouse gases are components of the atmosphere that contribute to the greenhouse effect. Some greenhouse gases occur naturally in the atmosphere, while others result from human activities such as ... > more
• Birds
  Bird Flu Research
  Bird Flu
  Animals
  Sports Medicine
  Healthy Aging
   
  

  Chicken

  A chicken is a type of domesticated bird which is often raised as a type of poultry. It is believed to be descended from the wild Asian Red Junglefowl. Chickens are the most common bird in the ... > more
• Healthy Aging
  Infectious Diseases
  Sports Medicine
  Bacteria
  Diseases and Conditions
  Lyme Disease
   

  Tularemia

  Tularemia (also known as "rabbit fever") is an infectious disease caused by the bacterium Francisella tularensis. The disease is endemic in North America, and parts of Europe and Asia. The primary ... > more
• Fish
  Marine Biology
  New Species
  Geography
  Sea Life
  Ecology Research
   
  

  Krill

  Krill are shrimp-like marine invertebrate animals. These small crustaceans are important organisms of the zooplankton, particularly as food for baleen whales, Mantas, whale sharks, Crabeater seals ... > more
• Birds
  New Species
  Animals
  Extinction
  Endangered Animals
  Invasive Species
   
  

  Anatidae

  Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan. The Magpie-goose is no longer considered to be part of the Anatidae, but is placed in ... > more

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