Insect Food Choice
Eating just one type of plant helps insects avoid information overload.
Podcast
Why smart people sometimes make really dumb decisions, the neural consequences of not paying attention, and our complicated relationship with food.
Smell of Fear
Chemicals in sweat can influence our perception of others' emotions.
Polar Bear Hibernation
Polar bears don't hibernate the way that other bears do.
Dog Roundup
When training dogs, a new study reveals that you better use treats if you want tricks.
Podcast
BODIES: Regenerating tooth enamel, why we have fingernails, why hair turns grey, and more.
Imposter Caterpillars
A species of caterpillar tricks ants into treating it better than its own young.
Podcast
Caterpillars infiltrate ant nests, loneliness and your health, how planes can fly upside down, and more.
Podcast
EVOLUTION & MORALITY SPECIAL: Hunting large game led to the evolution of the conscience, and evidence of moral systems in other animals. Also: Giant snake fossil points to warmer times, and grandparents helped civilization evolve.
Mosquito Duets
Mosquitoes tune their voices to one another during courtship.
Podcast
EVOLUTION SPECIAL: Celebrating Charles Darwin's 200th birthday, the evolution of kissing, mosquito love duets, robot sex, and the unhealthy history of the human diet.
Space Ornithology
Finding better ways to track migrating animals could help predict and slow the spread of disease.
Podcast
ANIMAL BEHAVIOR: How polarized light fools insects, turning dolphins sounds 3-D, and tracking bird migration from space.
Polarized Mirages
Insects and other animals may mistake shiny, hard surfaces for water, disrupting their life cycle.
Dolphin Voiceprints
New technology turns dolphin sounds into 3-D images.
Podcast
Astronomers discover carbon dioxide on a planet outside our solar system, clothes that could save your life, and bees on a buzz.