Watson and Crick Discover the DNA Double Helix (1953)
On February 28, 1953, James Watson (then 25) and Francis Crick (then 36) discover the double helix structure of DNA. The landmark ideas of Watson and Crick relied heavily on the work of other scientists. What did the duo actually discover? Learn more by reading the Nature article by Dr. Leslie A. Pray.
Celebrate African American History Month
Activity: African American Scientists (Grade level 5 – 8)
Many African Americans have contributed important discoveries and ideas to the field of science. In this lesson, students study several of these important scientists and explore their lives. In a writing exercise. Students recreate scientists’ experiences through journal entries. This lesson was developed by NetSchool Master Teacher Betty Paulsell and was funded by the Louis Calder Foundation.
Activity: African-American Scientists and Inventors (Grades K-12)
Besides George Washington Carver, what other African-Americans made contributions to American life? The class will explore the careers of famous and not-so-famous African-American scientists and inventors. Also, they will plan and present a slideshow on five of these individuals and explain why each is significant. Created by Linda Tisdale of the Monte Sano Elementary School, Huntsville City Alabama and shared on the Alabama Learning Exchange website.