The faint glow of a jellyfish revealed a molecule that would change science. Known as green fluorescent protein (GFP), it ...

As the latest data on carbon dioxide concentrations hits the headlines, it's a good time to dive into how we measure these ...

As David Keeling led companies’ safety operations, workers fell ill and died amid extreme temperatures. Now he could ...

His father, Charles David Keeling, decided in 1958 to measure atmospheric CO2 concentrations at the summit of the Mauna Loa volcano in Hawaii. This gave rise to the Keeling curve, which today ...

In his California laboratory, Ralph Keeling examines a graph created from data his father began collecting that keeps a record of the amount of carbon dioxide in the atmosphere. After 67 years ...