Topic: Biology

April 24, 2017 Star-Nosed Moles - What star-nosed moles reveal about the specialized mammalian brain.
March 10, 2017 Avian Athletes - Scientists are learning from birds’ amazing metabolisms to help human athletes perform better on the ground.
March 1, 2017 Seagrass Fights Disease - Underwater seagrass meadows combat disease.
February 20, 2017 The Body’s Sense of Taste - Taste receptors are actually located all over the body, not just in the mouth.
February 9, 2017 Camping Improves Sleep - More time spent outdoors resets circadian rhythms to help us get a full night’s sleep.
February 1, 2017 Illness & Sleepiness - A primitive neural switch may explain why illness makes us sleepy.
January 31, 2017 Long-Lasting LSD - Scientists decipher the key to LSD’s staying power.
January 18, 2017 Goal-directed Brain Cells - Bats have specialized neurons that help them navigate towards a target.
January 17, 2017 Monkey Metamemory - Neuroscientists investigate how humans ponder what we’ve learned by studying the brains of monkeys.
January 16, 2017 Killer Mice - Scientists discover a vertebrate brain circuit that triggers hunting, pouncing and biting.
January 6, 2017 Eyelid Twitching - A listener asks: What causes eyelid twitching?
January 4, 2017 Bee Stings - A listener asks: Do honeybees really die after they sting you?
January 3, 2017 Insects in Winter - A listener asks: Where do all the insects go in winter?
January 2, 2017 Arctic Camels - Camels seem perfectly suited to life in the desert, but they may have evolved those traits in the high Arctic.
December 30, 2016 Sizing Up Dogs II - A listener asks whether it's true that large dogs don't live as long as small dogs.
December 29, 2016 Sizing Up Dogs I - A listener asks whether large dogs are more intelligent than small dogs.
December 28, 2016 Sled Dog Endurance - Champions of endurance, sled dogs can run for over a thousand miles without fatigue.
December 27, 2016 Plant Drug Factories - Stressing out plant cells can coax them into revealing medically-useful chemistry.
December 26, 2016 Trillions of Insects - No other creatures match insects when it comes to sheer numbers of migrating animals.
December 23, 2016 Reindeer Clocks - Most mammals have internal clocks that regulate their daily cycles, but not reindeer.
December 22, 2016 Reindeer Vision - Reindeer can detect ultraviolet light, which may help them survive dark Arctic winters.
December 19, 2016 Coconut Rhinoceros Beetles - In a race against time, scientists attempt to stop an insect invader by using its own sounds.
December 13, 2016 Pollution-Tolerant Fish - The Atlantic killifish has evolved the ability to survive in toxic waters.
December 7, 2016 Binge Drinking Teens - Could teenage binge drinking have effects on the next generation, even if they’re never exposed to alcohol?
October 18, 2016 Sickle Cell Gene Editing - Scientists use a powerful new gene editing tool to treat sickle cell disease.
October 17, 2016 Feather Mystery Solved - The berries of invasive honeysuckle plants are causing birds in eastern North America to change color.
October 12, 2016 Seafloor Biodiversity - Unexpected biodiversity on the seafloor may play a big role in marine food webs.
September 23, 2016 Bowhead Whale Songs - Bowhead whales in the Arctic Ocean sing a large variety songs to communicate with other whales.
September 19, 2016 Black Pig Preferences - Across the globe, humans have selected pigs with genetic mutations for black coats.
August 17, 2016 Living Fossil Squirrel - Scientists search for an arboreal African rodent that’s changed little in over thirty million years.
August 16, 2016 Easy Rider Horse Gene - DNA analysis reveals the origin of horses with an odd gait and a smooth ride.
August 15, 2016 Long-Lived Sharks - The longest-lived vertebrate hangs out in the frigid waters of the North Atlantic.
August 10, 2016 Backwards Ants - Desert ants adjust their gait to navigate backwards with large loads of food.
August 9, 2016 Cardinals vs. West Nile Virus - Northern cardinals may help protect people from West Nile Virus.
August 8, 2016 Sunflowers in Motion - Sunflowers have an internal clock to guide their growth.
August 5, 2016 Teen Brains - Teen brains are much more developed in some areas than others.
August 4, 2016 Chickens vs. Malaria - Compounds in chicken feathers repel malarial mosquitoes in Africa.
July 29, 2016 Targeting Aggressive Cancers - Using genetic fingerprinting to diagnose and treat an aggressive cancer.
July 14, 2016 Heat vs. Colds - Keeping warm may help protect us from catching colds.
July 7, 2016 Cold Organic Molecules - Scientists propose a chilly start to the molecules that form the basis of all life.
June 21, 2016 Manta Ray Homebodies - Oceanic manta rays don’t migrate long distances like other large sea creatures.
June 20, 2016 Snake Evolution - Some unrelated snake species have evolved major similarities even though they live halfway around the world from each other.
June 16, 2016 Glowing Slime - Glowing blue slime from the sea could be useful in biomedical research.
June 9, 2016 Giraffe Genome - Scientists have sequenced the genome of the giraffe, looking for key differences in their DNA that allows them to tower above all other animals.
June 3, 2016 Ant Payola - A Central American tree indirectly pays its ant security system with sweet syrup.
May 31, 2016 Harbor Porpoise Hunting - Harbor porpoises are championship hunters, eating nearly constantly day and night.
May 30, 2016 Rattlesnakes & Squirrels - Rattlesnake venom is more potent against local ground squirrels than those from other locales.
May 23, 2016 Red Bird Genetics - Scientists uncover the genes behind birds’ flashy red plumage.
May 16, 2016 Ancient Florida - New evidence confirms that a prehistoric archaeological site in Florida is one of the continent’s oldest.
May 13, 2016 Sleep & Aging - Insomnia in older adults is due to a failure in brain circuitry.