Interactive
Cold Spring Harbor Laboratory

The DNA Molecule Is Shaped like a Twisted Ladder

For Students 9th - 12th Standards
One of the first models of DNA appeared to be a triple helix. Young scientists learn about the many scientists who worked to find the shape of DNA. They observe multiple models, tests, and experiments to understand the conclusions. An...
Interactive
Cold Spring Harbor Laboratory

Bacteria and Viruses Have DNA Too

For Students 9th - 12th Standards
In the 1940s, scientists discovered bacteria conjugation, the process of DNA transfer or bacterial sex. The discovery proved that bacteria and viruses contain DNA and led to a Nobel prize. Interested individuals learn about the...
Interactive
Cold Spring Harbor Laboratory

DNA Is Packaged in a Chromosome

For Students 9th - 12th Standards
Roger Kornberg, the oldest son of two biochemists, won the 2006 Nobel Prize in Chemistry. Learn about Kornberg and his scientific research with an animation, videos, biography, and an applied problem-solving activity. A summary and...
Interactive
Cold Spring Harbor Laboratory

Genes Can Be Moved Between Species

For Students 9th - 12th Standards
Biotechnology changes lives every day, but how did it all start? Learn about Cohen and Boyer's technique for recombinant DNA and the founding of this new scientific study. Then, scholars use the online interactive to discover how Hanahan...
Interactive
Cold Spring Harbor Laboratory

DNA Is Only the Beginning for Understanding the Human Genome

For Students 9th - 12th Standards
Mario Capecchi requested funding for a new procedure targeting genes and was rejected. Four years later, after he proved it worked, the NIH apologized and funded his research. Use an online interactive to learn about his research and the...
Activity
Howard Hughes Medical Institute

Virus Hunters: Epidemiology of Nipah Virus

For Teachers 9th - Higher Ed
Who actually goes looking for a virus? Expose your class to the high-stakes life of an epidemiologist on the trail of the Nipah virus. Pupils engage in a short video, then examine how scientists predict, model, and find the source of...
Activity
Howard Hughes Medical Institute

Natural Selection and the Evolution of Darwin's Finches

For Teachers 6th - 12th Standards
Darwin explained the connection between species of finches 150 years before scientists understood DNA. Technology and progressing science proved he was right, yet many struggle to understand how natural selection happens. Scholars use...
Activity
Serendip

Where Does a Plant's Mass Come From?

For Teachers 9th - 12th Standards
Where does the mass for a growing tree come from? Scholars consider a few different hypotheses and guess which is correct. They then analyze data from different experiments to understand which concepts science supports.

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