4:18
Traffic Poses A New Threat To Yosemite’s Famous Bears
Bear sightings at Yosemite National Park are down, but the park's infamous traffic poses a new threat.
8:40
How A ‘Zombie Gene’ Helped Elephants Evolve Protection From Cancer
Researchers have identified a gene in elephants that can detect and kill cells that have damaged DNA.
11:43
How Fire Ants Avoid Traffic Jams
Sometimes, it’s better to let others take charge.
8:22
The Earth Invented Nuclear Reactors Before We Did
The Earth has been safely storing its own natural nuclear waste for two billion years. What can we learn from that?
25:39
How A Humble Microbe Shook The Evolutionary Tree
The discovery that a methane-burping microbe was not a bacterium, added a new, third branch to the tree of life: The Archaea.
24:46
Can We Outbuild Future Coastal Flooding?
The Army Corps of Engineers is investigating sea gates and other barriers to protect New York from a future Sandy. But others have doubts.
The Roots Of The Tangled Genetic Tree
In this excerpt from David Quammen's "The Tangled Tree," meet the people who saw that evolution is more complex than you'd think.
The Invisible Forest Under The Sea
Half of the planet's oxygen comes from tiny plants under the ocean's surface.
7:23
The Good—And Bad—Of A Geoengineered Climate
Could humans geoengineer their way out of the climate crisis? Plus California wildfire weather, gooey corn, and other science headlines in this week’s News Round-up.
4:26
Revealing The Ruins Below
The U.K.’s lawn-killing summer has an archaeological upside.