Seed Articles

• Sleep Disorder Research
  Sleep Disorders
  Insomnia Research
  Insomnia
  Obstructive Sleep Apnea
  Healthy Aging
   
  

  Sleep

  Sleep is the state of natural rest observed throughout the animal kingdom, in all mammals and birds, and in many reptiles, amphibians, and fish. In humans, other mammals, and many other animals ... > more
• Frogs and Reptiles
  Trees
  New Species
  Nature
  Invasive Species
  Botany
   
  

  White's Tree Frog

  White's Tree Frog, Green Tree Frog, or Dumpy Tree Frog (Litoria caerulea) is a species of tree frog native to Australia and New Guinea, with introduced populations in New Zealand and the United ... > more
• Mating and Breeding
  Birds
  Fish
  Insects (including Butterflies)
  Frogs and Reptiles
  Zoology
   
  

  Egg (biology)

  In most birds and reptiles, an egg is the zygote, resulting from fertilization of the ovum. It nourishes and protects the embryo. Oviparous animals are animals that lay eggs, with little or no other ... > more
• Mammals
  Endangered Animals
  New Species
  Marine Biology
  Extinction
  Animals
   
  

  Caribbean Monk Seal

  The Caribbean Monk Seal, the only seal ever known to be native to the Caribbean sea and the Gulf of Mexico, is now considered ... > 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
• Biochemistry Research
  Biology
  Developmental Biology
  Genetics
  Evolutionary Biology
  Nature
   
  

  Biology

  Biology, also referred to as the biological sciences, is the study of living organisms utilizing the scientific method. Biology examines the structure, function, growth, origin, evolution, and ... > more
• Fish
  Fisheries
  Marine Biology
  Sea Life
  Agriculture and Food
  Healthy Aging
   
  

  Fish farming

  Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food. A facility that ... > more
• Mammals
  Wild Animals
  Horses
  Animals
  Dogs
  Mating and Breeding
   
  

  Donkey

  The donkey or ass is a domesticated animal of the horse family. Donkeys have a reputation for stubbornness, but this is due to some handlers' misinterpretation of their highly developed sense of self ... > more
• Water
  Oceanography
  Marine Biology
  Ecosystems
  Fish
  Geography
   
  

  Seawater

  Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of approximately 3.5%, or 35 parts per thousand. This means that for every 1 litre (1000 mL) of ... > more
• Fisheries
  Fish
  Wild Animals
  New Species
  Zoology
  Nature
   
  

  Symbiosis

  Symbiosis is an interaction between two organisms living together in more or less intimate association or even the merging of two dissimilar organisms. Symbiosis may be divided into two distinct ... > more

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