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Animation describing the historical development of DNA structure.
Encyclopedias & Databases
Encyclopedias and databases are a great place to start your research and investigations. If you want quick background, a short overview, or basic details on a person or topic try one of our encyclopedias like Britannica and World Book.
For something with more detail, search a database like eLibrary or Ebsco Middle Search Plus for articles about your topic or person.