Encyclopedia Britannica
Encyclopedia Britannica
SUBSCRIBE
SUBSCRIBE
  • Home
  • History & Society
  • Science & Tech
  • Biographies
  • Animals & Nature
  • Geography & Travel
  • Arts & Culture
  • ProCon
  • Money
  • Games & Quizzes
  • Videos
  • On This Day
  • One Good Fact
  • Dictionary
  • New Articles
History & Society
  • Lifestyles & Social Issues
  • Philosophy & Religion
  • Politics, Law & Government
  • World History
Science & Tech
  • Health & Medicine
  • Science
  • Technology
Biographies
  • Browse Biographies
Animals & Nature
  • Birds, Reptiles & Other Vertebrates
  • Bugs, Mollusks & Other Invertebrates
  • Environment
  • Fossils & Geologic Time
  • Mammals
  • Plants
Geography & Travel
  • Geography & Travel
Arts & Culture
  • Entertainment & Pop Culture
  • Literature
  • Sports & Recreation
  • Visual Arts
  • Companions
  • Demystified
  • Image Galleries
  • Lists
  • Podcasts
  • Spotlight
  • Summaries
  • Top Questions
  • #WTFact
  • Britannica Kids
Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
incubation
Directory
References
Quizzes
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
44 Questions from Britannica’s Most Popular Health and Medicine Quizzes
Discover
Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)
Falling Stars: 10 of the Most Famous Endangered Species
Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.
6 Animals We Ate Into Extinction
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
Ten Days That Vanished: The Switch to the Gregorian Calendar
Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society
12 Novels Considered the “Greatest Book Ever Written”
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?
Happy, smiling, flying pig
7 Everyday English Idioms and Where They Come From
Drinking water is poured into a glass.
Water Fluoridation: Just the Facts

incubation

pathogenesis

Learn about this topic in these articles:

plant disease development

  • blight
    In plant disease: Pathogenesis and saprogenesis

    One of the important characteristics of pathogenic organisms, in terms…

    Read More