Tyrannosaurus Rex Articles

• Cultures
  Ancient Civilizations
  Archaeology
  Early Climate
  Early Humans
  Human Evolution
   
  

  Stone Age

  The Stone Age is a broad prehistoric time period during which humans widely used stone for toolmaking. Stone tools were made from a variety of different kinds of stone. For example, flint and chert ... > 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
• Early Climate
  Climate
  Ice Ages
  Global Warming
  Geology
  Environmental Issues
   
  

  Paleoclimatology

  Paleoclimatology is the study of climate change taken on the scale of the entire history of the earth. Glaciers are a widely employed instrument in paleoclimatology. The ice in glaciers has hardened ... > more
• Weapons Technology
  Nuclear Energy
  Engineering
  Technology
  Sports Science
  Ancient Civilizations
   
  

  Weapon

  A weapon is a tool which can be used during combat to kill or incapacitate, to destroy property, or to otherwise render resources non-functional or unavailable. It may be used to attack and defend, ... > more
• Fisheries
  Mating and Breeding
  Fish
  Animals
  Invasive Species
  Wild Animals
   
  

  Horseshoe crab

  The horseshoe crab (Limulus polyphemus) is an arthropod that is more closely related to spiders than crabs. Horseshoe crabs possess the rare ability to regrow limbs lost. Limulus has been extensively ... > more
• Evolution
  Evolutionary Biology
  Charles Darwin
  Origin of Life
  Nature
  Biology
   
  

  Evolution

  In biology, evolution is the change in the inherited traits of a population from generation to generation. These traits are the expression of genes that are copied and passed on to offspring during ... > more
• Early Humans
  Human Evolution
  Anthropology
  Evolution
  Charles Darwin
  Cultures
   
  

  Human evolution

  Human evolution is the part of biological evolution concerning the emergence of humans as a distinct species. It is the subject of a broad scientific inquiry that seeks to understand and describe how ... > 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
• Evolutionary Biology
  Evolution
  Charles Darwin
  Human Evolution
  Early Humans
  Biology
   
  

  Evolution of the eye

  The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of species. The development of the eye is considered by most ... > more
• Earthquakes
  Geology
  Natural Disasters
  Tsunamis
  Geography
  Earth Science
   
  

  Plate tectonics

  Plate tectonics is a theory of geology developed to explain the phenomenon of continental drift and is currently the theory accepted by the vast majority of scientists working in this area. In the ... > more

Search ScienceDaily