Podcast
How plants know it's spring, color vision in bees, how pigeon flocks make decisions, and hermit crab …
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Enviropigs
Genetically engineered pigs produce 70 percent less phosphorus in their waste.
Knuckle Cracking
A 60-year-long experiment shows that knuckle cracking does not cause arthritis.
Cancer Cell Electricity
Tiny tumors could be detected by the electricity given off by cancer cells.
Podcast
THE BRAIN: Empathy and aggression share the same neural circuitry, chronic pain sufferers process …
NASA’s Basement Tapes
Scientists resurrect satellite data from old NASA tapes.
CO2 & Near-Death Experiences
Scientists discover a possible physiological explanation for near-death experiences.
Oxygen-Free Animals
Scientists have discovered animals that can survive in the absence of oxygen.
Podcast
ANIMAL UPDATE: Birdsong in the genes, hummingbirds and heliconias, a more environmentally friendly …
Carbon Monoxide Poisoning
A listener asks: if carbon monoxide is so deadly, why can't we smell it?