Fossil Articles

• Sports Medicine
  Human Biology
  Healthy Aging
  Obesity
  Foodborne Illness
  Life Sciences
   
  

  Flatworm

  The flatworms are a phylum of relatively simple soft-bodied invertebrate animals. With about 25,000 known species they are the largest phylum of acoelomates. Flatworms are found in marine, ... > more
• Cultures
  Human Evolution
  Archaeology
  Anthropology
  Ancient Civilizations
  Early Humans
   
  

  Indigenous peoples of the Americas

  The term indigenous peoples of the Americas encompasses the inhabitants of the Americas before the arrival of the European explorers in the 15th century, as well as many present-day ethnic groups who ... > more
• Inorganic Chemistry
  Chemistry
  Sports Science
  Physics
  Materials Science
  Nature of Water
   
  

  Iridium

  Iridium is a chemical element in the periodic table that has the symbol Ir and atomic number 77. A dense, very hard, brittle, silvery-white transition metal of the platinum family, iridium is used in ... > more
• Forensic Research
  Forensics
  Biometric
  Sports Medicine
  Sports Science
  Health Policy
   
  

  Forensics

  Forensic science (often shortened to forensics) is the application of a broad spectrum of sciences to answer questions of interest to the legal system. This may be in relation to a crime or to a ... > more
• Frogs and Reptiles
  Animals
  Wild Animals
  Fish
  Endangered Animals
  Extinction
   
  

  American Alligator

  The American Alligator has a large, slightly rounded body, with thick limbs, a broad head, and a very powerful tail. Males can weigh 500 lbs to over 1000 pounds; one American Alligator allegedly ... > more
• Sports Science
  Ancient Civilizations
  Construction
  Weapons Technology
  Anthropology
  Robotics Research
   
  

  Trebuchet

  A trebuchet, also sometimes called a trebucket is a medieval siege engine, a weapon employed either to batter masonry or to throw projectiles over walls. The invention of the trebuchet derives, no ... > more
• Cultures
  Ancient Civilizations
  Human Evolution
  Archaeology
  Anthropology
  Early Climate
   
  

  Petroglyph

  Petroglyphs are images incised in rock, usually by prehistoric, especially Neolithic, peoples. They were an important form of pre-writing symbols, used in communication from approximately 10,000 ... > more
• 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
• Human Evolution
  Early Humans
  Anthropology
  Evolution
  Cultures
  Archaeology
   
  

  Toba catastrophe theory

  According to the Toba catastrophe theory, modern human evolution was affected by a recent, large volcanic event. Within the last three to five million years, after human and other ape lineages ... > more
• Ancient Civilizations
  Archaeology
  Anthropology
  Human Evolution
  Early Humans
  Origin of Life
   
  

  Castle

  A castle is a building, or set of buildings, fortified for defence against an enemy. The term is most often applied to a small self-contained ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Early Climate
  Earth Science
  Geology
   
  

  Earthquake

  An earthquake is the result of a sudden release of stored energy in the Earth's crust that creates seismic waves. Earthquakes are accordingly measured with a seismometer, commonly known as a ... > more

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