Knuckle Cracking
A 60-year-long experiment shows that knuckle cracking does not cause arthritis.
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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?
Asteroid Sampling
Asteroids contain keys to the origin of the solar system, but the ones that reach earth are easily …
Podcast
WEIRD SCIENCE: Behind the legend of the chupacabra, does cracking your knuckles cause arthritis? A …
F is for Fail
Exposing students to the letter "F" before taking a test makes them more likely to fail it.
Chupacabra
A legendary beast called the chupacabra has a surprisingly recent origin.