Hummingbirds & Heliconias
Male and female purple-throated Carib hummingbirds have differently shaped bills and feed on different kinds of flowers.
Podcast
ANIMAL UPDATE: Birdsong in the genes, hummingbirds and heliconias, a more environmentally friendly pig, and cat-inspired computer circuits.
Strongest Insect
An Australian beetle earns the title of world's strongest insect.
Podcast
The world's strongest insect, why showering could pollute, tests that fail the grade and sampling the early solar system.
Sizing Up Dogs I
A listener asks whether large dogs are more intelligent than small dogs.
Reindeer Clocks
Most mammals have internal clocks that regulate their daily cycles, but not reindeer.
Big Cold Animals
A new explanation for why animals grow larger at higher latitudes.
Podcast
ANIMALS: Reindeer lack internal clocks, why animals from higher latitudes are larger, and the relationship between size, intelligence, and longevity in dogs.
Ocean Creature Roundup
Small marine creatures called sea squirts are helping medical researchers test treatments for Alzheimer's disease.
Marine Epilepsy
Algal blooms can cause epileptic symptoms in sea lions and other marine mammals.
Whales & Diatoms
The diversity of ocean algae has correlated with the diversity of whale species over the past 30 million years.
Podcast
MARINE LIFE: Photosynthesizing sea slugs, epileptic sea lions, dolphin viruses and whale diversity.
Podcast
AAAS ANNUAL MEETING SPECIAL - How diabetes benefits dolphins, dolphin intelligence and welfare update, looking for new drugs from the sea, and how genes affect your susceptibility to germs.
Animal Behavior Roundup
A great ape called the bonobo never grows up.
Fatherless Sharks
A new study finds that the offspring of virgin sharks are surprisingly healthy.
Podcast
ANIMALS: DNA analysis confirms virgin birth in sharks, bonobos are forever young, elephant genes fight disease, and mussel glue inspires medical sealants.
Podcast
Sleeping birds, sperm wars, looking for water on distant planets, and the value of "most".
Podcast
THE FOOD SHOW - High school students expose food fraud in New York City. Does gelatin really come from cow hooves? And the hormone behind eating when you're already full.