Famous Science Discoveries
Learn about revolutionary experiments in biology from the scientists themselves.
Surviving Stress: SOS Response and DNA Repair in Bacteria
Free 9–12 biology & AP Bio lesson on bacterial DNA repair, the SOS response, and antibiotic resistance. Includes modeling, CER activities, and population simulations.
The Tiniest Plankton
How Penny Chisholm and her team discovered the invisible yet most abundant photosynthetic organism on the planet
Modeling DNA Replication
Engage students with how "the most beautiful experiment" in biology revealed the semiconservative nature of DNA replication with a free video and modeling activity.
Human Nature
The story of CRISPR — the most important scientific discovery of the 21st century.
The Most Beautiful Experiment
Matt Meselson and Frank Stahl share the story of how they proved semiconservative DNA replication
Good Chemistry
Jennifer Doudna & Emmanuelle Charpentier's historic Nobel Prize for CRISPR
Life Recombined
The Story of Recombinant DNA featuring Janet Mertz and Nobel Laureate Paul Berg
The CRISPR Apostle
Rodolphe Barrangou tells the story of his discovery that laid the groundwork for the gene editing revolution
Gregor Mendel’s Famous Genetics Experiment
Shirley Tilghman tells the story of Mendel’s studies and how his data led to an understanding of how the information within genes is passed from generation to generation.
Tinkering with Nature’s Tools
Feng Zhang shares why CRISPR-Cas9 was such a groundbreaking tool.
Pieces of a Puzzle
Christopher Rudd's seminal experiments on T-Cell Activation
The Discovery of Lung Surfactant
John Clements details his groundbreaking discovery which has saved millions of neonatal lives
The SOS Response in Bacteria
Evelyn Witkin shares her journey to the discovery of the SOS DNA damage response in bacteria.
