Underwater Volcanoes
A new count reveals hundreds of thousands of undersea volcanoes.
Podcast
Sparrows that prefer up-to-date songs, glaciers and global warming, upwardly mobile robots, bacteria to combat oil spills, and how self-tanners work.
Glacier Ice Melt
We hear a lot about the melting polar ice sheets. But smaller ice caps may actually pose an even bigger problem.
Podcast
How the solar system formed, determining the standard for the kilogram, how brain damage affects art, cancer drugs from trees, protecting ports with underwater using sound.
Sound Tripwire
A new kind of tripwire uses sound instead of string or laser beams.
Polar Roundup
Icebergs are the perfect home for some organisms, and researchers explore an undersea ridge.
Podcast
The importance of bubbles, living on icebergs, family-oriented plants, eye medicine from oven cleaner, and how water gets from your mouth to your muscles.
Ocean Bubbles
Bubbles play an important role in the exchange of gas between the ocean and the air.
Podcast
Life-and-death decisions from computers, video games are good and bad, seeing red hurts test scores, Dr. Tatiana on animal sex, and the link between obesity and puberty in girls.
Blue Whale Talk
Scientists have matched blue whales' calls to some behaviors.
Podcast
The call of a rare bird, marijuana-like brain chemicals, the Earth without a tilt, using measles to fight cancer, and making public aquariums accessible to the blind.
Aquariums for Ears
Scientists are using sound to make public aquariums accessible to the visually impaired.
Climate and Corals
Climate change is endangering coral reefs around the world.
Fish Cannibals
For one fish species, cannibalism is the solution to a paternity question.
Podcast
Small distractions could be big trouble, the effects of cell phone waves on our health, how nature cleans itself, eels and grouper hunt together, and squirrels and spruce trees outwit each other for seeds.
Salmon Harvest
A listener asks: Why don't we eat salmon after they spawn, to help conserve them?
Podcast
The secret of a Stradivarius violin, how giraffes block a head rush, using bees for homeland security, saving seagrass, and a strange new ingredient in the interstellar soup.
Iceberg Songs
Scientists are listening to the sounds icebergs make, and trying to figure out what they mean.
Sea Microbes Roundup
Scientists are using new techniques to identify and count viruses in the ocean.
Globetrotting Swells
A storm in the Gulf of Alaska broke apart a giant iceberg in Antarctica, more than eight thousand miles away.
Podcast
Cycles in the Earth's orbit and tilt may cause extinctions, what got the Oracle of Delphi high, why farming salmon hurts their wild cousins, the masculine face of compulsive shopping, and the health benefits of smoking bans.
Deadly Salmon Farms
Salmon farms may be killing wild salmon instead of saving them.
Podcast
A fabric that detects biohazards, an excess of men, the cost of a year of life, stopping train derailments with lasers, and the rising number of venomous fish.