Emmett Chappelle and the invention of the “firefly” bioluminescence assay

In these last days of summer, I’ve been having fun catching (and releasing) the fireflies that appear every night in the woods near our house. It's only recently that I learned that these flashing bugs were the inspiration behind ATP…

Biotechnology Basics: Bacterial Transformation

What is transformation? In nature, some species of bacteria can acquire exogenous DNA from the surrounding environment through a process called transformation. The newly acquired genetic information is both stable and heritable. In the laboratory, scientists can force bacteria like…