Hummingbirds & Heliconias
Male and female purple-throated Carib hummingbirds have differently shaped bills and feed on …
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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.
Plants vs. Insects Roundup
A protein in coffee beans is an effective pesticide.
Carbon Monoxide Poisoning
A listener asks: if carbon monoxide is so deadly, why can't we smell it?
Personalized Cancer Test
A new test that sequences a patient's entire genetic code could help doctors treat cancer more …
Shower Pollution
Bathing and showering could be washing drugs into our waterways.
Asteroid Sampling
Asteroids contain keys to the origin of the solar system, but the ones that reach earth are easily …
Health Nanotech Roundup
Tiny gold-plated probes inside cells could monitor the progress of a disease.
F is for Fail
Exposing students to the letter "F" before taking a test makes them more likely to fail it.
Medicated Contacts
Contact lenses impregnated with vitamin E can deliver glaucoma medicine directly to the eye.
Chupacabra
A legendary beast called the chupacabra has a surprisingly recent origin.