5:31
A Jovian Moon With Earth-Like Tectonics
The icy surface of Jupiter’s moon Europa may undergo processes similar to plate tectonics on Earth.
16:15
Understanding the Urban Ecosystem
Researchers say road salt and dissolving concrete have contributed to increased salinization in urban streams.
22:35
Can Conservation Efforts Save the Birds?
A look at the effects of conservation efforts and climate change on bird populations in North America.
Are Generics the Same As Brand Name Drugs?
An excerpt from “Generic: The Unbranding of Modern Medicine,” by Jeremy A. Greene.
One For All: A Natural Resources Game
In this game from Population Education, students must use cooperative decision making strategies to manage a renewable resource.
Quantum: An Ode to Particle Physics
Drawing on his experience as Artist-in-Residence at CERN, Gilles Jobin’s dance performance, Quantum, presents an abstract meditation on the motion of particles and laws of physics.
11:44
The Wilderness Act Turns 50
Fifty years ago this week, legislation set aside over nine million acres of official wilderness.
Squishy Circuits
Use two play dough recipes to create “squishy circuits” and explore electricity.
Could You Hit a Baseball Pitched Near the Speed of Light?
An excerpt from the xkcd creator’s new book, “What If?”
17:14
Less Flashy Fossils Offer Paleoclimate Clues
Uncharismatic microfauna, such as insects and mollusks, are giving scientists at La Brea Tar Pits in Los Angeles a glimpse of the city’s cool, humid past.