1 / 12

The Untold Story of Double Helix Discovery: Rosalind Franklin & Scientific Ethics

Delve into the captivating story of DNA's double helix structure and the ethical controversies surrounding its discovery by Rosalind Franklin. Uncover the intense scientific competition, the impact on society, and the significant role of women in science. Explore the different scientific approaches and the importance of responsible conduct in the pursuit of knowledge.

marktanderson
Download Presentation

The Untold Story of Double Helix Discovery: Rosalind Franklin & Scientific Ethics

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Untold Story of Double-Helix Discover (Rosalind Franklin) & Scientific Ethics 吳耿志 Feb. 19, 2011 West Windsor, NJ

  2. Madame Curie

  3. 1962 Nobel Prize in Chemistry  James Watson, Francis Crick, Maurice Wilkins • DNA structure  Double helix • 1962 Nobel Prize in Chemistry  James Watson, Francis Crick, Maurice Wilkins • DNA structure  Double helix

  4. 1968 James Watson published “The Double Helix”

  5. 1920, July 27; Rosalind Franklin, Born

  6. 1951, Franklin, Gosling  First hint of helix • 1951, Franklin DNA in crystal, X-ray studies • 1951, Franklin single helix paper, careless handling • X-ray source & equipment • 1951, Franklin met Linus Paulin • 1951, Wilkins/Stokes “calculate”helix, not publish • 1952, Franklin sharp picture, Photo 51

  7. 1952, Watson/Crick  Build model • 1952, Wilkins began to visit Crick (rival), Crick talked • to Watson; Watson got (stole) confidential report • 1-1953, Franklin, her note read w/o her consent, Wilkins revealed stunning “hint” to Watson; uninvited Watson saw Franklin’s photo. • 2-1953, Wilkins gave more keys to Watson • 2-28-1953, Crick major finding • 3-07-1953, Watson/Crick  Model all done

  8. 1956 summer, Franklin California, sharp pain. • 9-1956, Franklin  surgery, ovary cancer confirmed • 3-1957, Franklin  cancer spread • 1958, Franklin  Died.

  9. Scientific spirit, competition, ethics, and conducts. • DNA impact on life and human society. • Female role in science; Madam Curie. • Scientific approaches: Intuitive, Imagination, Evidence • Writing: Permanent record, knowledge propagation

More Related