Fossils & Ruins Articles

• Dolphins and Whales
  Early Mammals
  Sea Life
  Marine Biology
  Animals
  Early Humans
   
  

  Evolution of cetaceans

  The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, and remnants of their terrestrial origins can be found in the fact that they must breathe air from the surface; ... > more
• Early Humans
  Human Evolution
  Origin of Life
  Evolution
  Nature
  Evolutionary Biology
   
  

  Timeline of evolution

  This timeline of the evolution of life outlines the major events in the development of life on the planet Earth. Dates given are estimates based on scientific evidence. In biology, evolution is the ... > more
• Earth Science
  Environmental Issues
  Global Warming
  Geomagnetic Storms
  Near-Earth Object Impacts
  Anthropology
   

  End of civilization

  The end of civilization or the end of the world are phrases used in reference to human extinction scenarios, doomsday events, and related hazards which occur on a global ... > more
• Fossils
  Geography
  Geology
  Origin of Life
  Extinction
  Environmental Policy
   

  Paleozoic

  The Paleozoic Era is a major division of the geologic timescale, one of four geologic eras. The Paleozoic includes six geologic periods; from oldest to youngest -- the Cambrian, Ordovician, Silurian, ... > more
• Ancient Civilizations
  Anthropology
  Cultures
  Lost Treasures
  Human Evolution
  Fossils
   
  

  Chichen Itza

  Chichen Itza is a large pre-Columbian archaeological site built by the Maya civilization, located in the northern center of the Yucatán Peninsula, present-day Mexico. From roughly 600 CE in ... > more
• Evolutionary Biology
  Evolution
  Charles Darwin
  Nature
  Human Evolution
  Biology
   
  

  Convergent evolution

  In evolutionary biology, convergent evolution is the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar ... > more
• Dinosaurs
  Paleontology
  Fossils
  Early Birds
  Tyrannosaurus Rex
  Early Mammals
   
  

  Velociraptor

  Velociraptor is a genus of dromaeosaurid theropod dinosaur that existed approximately 83 to 70 million years ago during the later part of the Cretaceous Period. There is only one universally ... > more
• Fossils
  Early Mammals
  Origin of Life
  Evolution
  Dinosaurs
  Paleontology
   
  

  Smilodon

  Smilodon means knife tooth, an entirely appropriate name given its enormous fangs. The smilodon species are also known as Saber-Toothed Cats (which is inaccurate because there are other, unrelated ... > more
• Human Evolution
  Evolution
  Early Humans
  Cultures
  Anthropology
  Origin of Life
   

  The Genographic Project

  The Genographic Project, launched in April 2005, is a five-year genetic anthropology study that aims to map historical human migration patterns by collecting and analyzing DNA samples from over ... > 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

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