featured segment
Four Billion Years Of Climate Change
Longtime climate reporter Andrew Revkin discusses the not-so-brief history of Earth’s weather and climate change.
Heard on the Air
6:54
Neolithic People Performed Brain Surgery On Cows
Plus, evidence for 19th-century abortion views and California weather that will make your head spin.
5:02
When Great Lakes Water Is ‘Public’ And When It Isn’t
Foxconn’s Lake Michigan bid raises questions about interpreting a young law.
10:12
Help Us Weigh Galaxies!
Participate in a citizen science project and help astronomers identify gravitational lenses.
11:56
The Yeast Also Rises
The microorganism’s contributions to society, from bread to biotechnology.
17:25
The Frogs And Insects That Freeze
From midge larvae to wood frogs, how extremophiles weather brutal winter temperatures without harm.
16:18
Reconstructing The World Of Our Ancient Ancestors
Paleoecologists use fossils to figure out the environment of early hominins and how those conditions played a role in the evolution of our early ancestors.
23:31
Four Billion Years Of Climate Change
Longtime climate reporter Andrew Revkin discusses the not-so-brief history of Earth’s weather and climate change.