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.
Extinction Cycles
Changes in the Earth's orbit and tilt could be responsible for the extinctions of many ancient species.
Podcast
The truth about star naming, a practical plan for getting rid of fossil fuels, imitating gecko feet, worms in your diet, and why we have a bias against foreigners.
Podcast
Underwater noise pollution, genes for alcoholism, PCBs may compromise vaccines, proof of dark matter, and uvulas in animals.
Dark Matter Proof
Scientists recently proved the existence of dark matter. Here's why that's such a big deal.
Podcast
Testing the age of your organs, the reliability of home genetic tests, a medical use for radioactive scorpion venom, global warming may be irreversible, and the weather on Titan.
Podcast
A computer counselor for teenage girls, how apples help cells, what came before the Big Bang, carbon dioxide in our oceans, and what firefly flashes are saying.
Podcast
An ancient astronomical record, chewing gum that fights cancer, a new way to weigh the elderly, the shifting jet streams, and how killer whales use sound to hunt.
Supernova Rock Art
An ancient rock carving in New Mexico could be an astronomical record.
Podcast
Microbes on Mars, cell phones tracking weather, the relationship between brain size and intelligence, humans controlling sharks and cockroaches, and the pros and cons of having lots of testosterone.
Podcast
Emailing in your sleep, a lost planet, the risks of marketing remedies, a laser that zaps fat, and new developments in nanotechnology.
Podcast
A super memory, elephant dung and the oil crisis, girls go online, navigating the asteroid belt, and heart-healthy bacon.
Podcast
A parasite from cats, how comets kick the bucket, the next best thing to dino DNA, helping disabled kids find their voices, and using lasers in medicine.
Podcast
How to catch lying politicians, black holes are for real, a virus that could make you fat, having deja vu over and over again, and man versus beast.
Black Holes
When Disney made the movie "Black Hole" in 1979, no one was sure whether black holes were real or just figments of astronomers' imaginations. But a lot has changed since then.
Podcast
An ancient soil-enrichment technology, life outside the solar system, our instant beauty-detectors, our bias for beauty, and running out of metals.
Habstars
An astronomer gives us the scoop on where scientists are likely to look next for life outside the universe.
Podcast
Cancer-sniffing dogs, the origin of the moon, how saturated fats kill, a new neighbor galaxy, and comedy is healthy.
Stealth Galaxy
Some things are like dirt on your glasses--so close they're hard to see. That's why it's taken so long for astronomers to identify what may be our closest neighbor galaxy.
Moon Origin
When Apollo astronauts went to the moon, they wanted to find out where it came from. Now one of our listeners has the same question.