Lost Treasure Articles

• Extinction
  Dinosaurs
  Endangered Animals
  Endangered Plants
  Fossils
  Early Climate
   
  

  Extinction event

  An extinction event (also extinction-level event, ELE) occurs when a large number of species die out in a relatively short period of time. Since life began on Earth, a number of major mass ... > more
• Early Humans
  Human Evolution
  Anthropology
  Fossils
  Origin of Life
  Cultures
   
  

  Homo erectus

  Homo erectus ("upright man") is a hominin species that is believed to be an ancestor of modern humans (with Homo heidelbergensis usually treated as an intermediary step). The species is found from ... > more
• Apes
  Human Evolution
  Early Humans
  Rainforests
  Healthy Aging
  Endangered Animals
   
  

  Chimpanzee

  Chimpanzee, often shortened to chimp, is the common name for the two extant species in the genus Pan. The better known chimpanzee is Pan troglodytes, the Common Chimpanzee, living primarily in West, ... > 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
• Dinosaurs
  Fossils
  Paleontology
  Tyrannosaurus Rex
  Evolution
  Human Evolution
   
  

  Albertosaurus

  Albertosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, more than 70 million years ... > more
• Early Climate
  Ice Ages
  Climate
  Global Warming
  Nature of Water
  Snow and Avalanches
   
  

  Ice core

  An ice core is a core sample from the accumulation of snow and ice over many years that have recrystallized and have trapped air bubbles from previous time periods. The composition of these ice ... > 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
• Geology
  Earthquakes
  Earth Science
  Natural Disasters
  Near-Earth Object Impacts
  Atmosphere
   
  

  Crust (geology)

  In geology, a crust is the outermost layer of a planet. The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks. The crust is underlain by the mantle. ... > more
• Dinosaurs
  New Species
  Paleontology
  Nature
  Extinction
  Animals
   
  

  Stegosaurus

  Stegosaurus, meaning "plated lizard", because of the plates on its back was a genus of large herbivorous dinosaurs from the Upper Jurassic of North America. It is among the most easily identifiable ... > more
• Dinosaurs
  Fish
  Extinction
  Evolutionary Biology
  Marine Biology
  Evolution
   
  

  Ichthyosaur

  Ichthyosaurs were giant marine reptiles that resemble a dolphin with large teeth. They lived during a large part of the Mesozoic era, and appeared about 250 million years ago (Ma), slightly earlier ... > more

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