Charles Darwin in the Articles

• Ancient Civilizations
  Anthropology
  Cultures
  Archaeology
  Fossils
  Lost Treasures
   
  

  Mesopotamia

  Mesopotamia was home to some of the oldest major ancient civilizations, including the Sumerians, Akkadians, Persians, Babylonians and Assyrians. Mesopotamia housed some of the world's most ancient ... > 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
• 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
• 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
• Dinosaurs
  New Species
  Paleontology
  Archaeology
  Animals
  Apes
   

  Hadrosaurus

  Hadrosaurus is a hadrosaurid dinosaur genus. In 1858, a skeleton of a dinosaur from this genus was the first full dinosaur skeleton found in North America, and in 1868 it became the first ever ... > more
• Ancient Civilizations
  Weapons Technology
  Sports Science
  Archaeology
  Anthropology
  Aviation
   
  

  Catapult

  Catapults are siege engines using an arm to hurl a projectile a great distance. Any machine that hurls an object can be considered a catapult, but the term is generally understood to mean medieval ... > more
• Ancient Civilizations
  Cultures
  Lost Treasures
  Archaeology
  Human Evolution
  Early Climate
   
  

  Stonehenge

  Stonehenge is a Neolithic and Bronze Age megalithic ... > more
• Organic Chemistry
  Graphene
  Electronics
  Nanotechnology
  Chemistry
  Fossil Fuels
   
  

  Carbon-14

  Carbon-14, 14C, or radiocarbon, is a radioactive isotope of carbon discovered on February 27, 1940, by Martin Kamen and Sam Ruben. Its nucleus contains 6 protons and 8 neutrons. Its presence in ... > 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
• Cultures
  Anthropology
  Archaeology
  Dinosaurs
  Lost Treasures
  Human Evolution
   

  Artifact (archaeology)

  An artifact or artefact is any object made or modified by a human culture, and often one later recovered by some archaeological endeavor. Examples include stone tools such as projectile points, ... > more

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