Topic: Genetics & Evolution

October 18, 2018 Kangaroos in Trees - Tree kangaroos hop up trees instead of swinging through them like monkeys.
October 8, 2018 Giraffe Spot Inheritance - Scientists discover that giraffes inherit their spots.
September 26, 2018 IDing Ivory Poachers - Elephant DNA and complex data analysis are helping to prosecute poachers.
September 12, 2018 Flightless Genes - Researchers identify genetic factors that grounded a species of birds whose relatives all can fly.
September 7, 2018 INSECTS & SPIDERS - INSECTS & SPIDERS (Encore Edition) - Could spider venom be the next insecticide? Why mosquitoes smell you better at night. And debunking the myth of extracting dinosaur DNA from insects preserved in amber. Also, insect legs that bear an uncanny resemblance to modern machinery.
August 28, 2018 Queen Bees - The diet of baby bee larvae activates genes that turn some into workers and others into queens.
August 10, 2018 DNA in Amber - Could scientists really get dinosaur DNA from insects preserved in amber?
July 31, 2018 Prettier Produce - With the help of gene editing, fruits and vegetables may soon become prettier and more delicious.
July 20, 2018 Smart Houseplants - Could genetically engineered houseplants protect our homes?
July 16, 2018 Lost Whales - Whales used the Mediterranean as breeding grounds during ancient Roman times.
June 26, 2018 Songbird Culture - How a small songbird’s cultural traditions persist for more than a thousand years.
May 29, 2018 Green-Blooded Lizards - Some lizards thrive despite a toxic pigment that turns their blood green.
May 22, 2018 Our Insect-Eating Ancestors - What did our mammalian ancestors eat during the age of the dinosaurs? The answer might bug you.
April 26, 2018 Earth Genome - Scientists set out to sequence the genome of every species on Earth.
April 13, 2018 Sizing Up Dogs II - A listener asks whether it's true that large dogs don't live as long as small dogs.
April 4, 2018 Designer DNA - Bits of DNA may prevent neurons from producing a disease-causing protein.
March 20, 2018 Venomous Mammal - Scientists decode the genome of a rare, primitive mammal with a venomous bite.
February 28, 2018 Loopy DNA - How a protein keeps DNA neat, tidy, and ready to replicate.
February 22, 2018 UV Extinction - A new theory into a cataclysmic die-off.
January 25, 2018 Pachyderms get the Point - Elephants, unlike mammals much more similar to us, seem to instinctively understand pointing gestures.
January 9, 2018 Anti-Poaching Rhino DNA - Matching poached rhino horns to the scene of the crime using DNA to nab wildlife traffickers.
January 8, 2018 Bonobo Bad Guys - One of our closest relatives, the bonobos, may have very different attitudes toward altruistic behavior in others.
January 3, 2018 Halitosis Gene - Researchers sniff out a halitosis gene.
December 12, 2017 Pterosaur Eggs - A new fossil find in China sheds light on how pterosaurs reproduced.
December 11, 2017 No Cut Gene Editing - A new form of gene therapy could correct genetic disorders with less risk.
December 4, 2017 Nucleic Acid Dipstick - Scientists develop a device that can purify genetic material from any organism right in the field.
November 14, 2017 Human Size Evolution - Our ancestors and their extinct relatives grew in height and weight at different times.
October 30, 2017 Masked Dinosaur - Remnants of pigments in the fossils of dinosaur feathers provide clues to how they looked and behaved in life.
October 20, 2017 Beak Evolution - More than a century of backyard bird feeding may have lengthened one bird species’ beaks.
October 17, 2017 Skin Tone Genes - The genetic origins of dark and light skin.
October 9, 2017 Identical Triplets - A listener asks if identical triplets are possible.
October 5, 2017 Origins of RNA - Ephemeral pools of water may have been the cradle of life.
September 22, 2017 Poison Frogs - Why don’t poison frogs poison themselves?
September 21, 2017 Bash the Bug - Citizen scientists help search for the best treatments for tuberculosis.
September 20, 2017 Sizing Up Extinction - Being the “right-size” helps protect species from extinction.
September 19, 2017 Butterfly Wing Patterns - Butterfly wings help reveal the genetics underlying coloration patterns.
September 15, 2017 DNA Cargo Robots - DNA robots move and sort nanoscale-sized payloads.
September 7, 2017 Environmental DNA Collection - Conducting a census of species using environmental DNA.
September 1, 2017 Leaf Size Limits - What limits the maximum size of a plant’s leaves?
July 24, 2017 Whale Diet & Genetics - A genetic difference between the two types of whales that could partially explain why some became so gigantic.
July 10, 2017 Mosquito-Killing Fungi - Scorpion and spider genes boost a fungi’s mosquito-killing ability.
June 26, 2017 Egg Shape - An exhaustive analysis of birds and their eggs may explain why eggs vary in shape.
June 2, 2017 Flightless Genes - Researchers identify genetic factors that grounded a species of birds whose relatives all can fly.
May 29, 2017 Giant Whale Evolution - A changing climate three million years ago drove whales to evolve to the giant size they are today.
May 8, 2017 Albatross Satellites - High-resolution space satellites monitor threatened albatross populations in remote areas of the world.
April 26, 2017 The Amino Acids of Life - How did the proteins forming life on earth come to be formed from just twenty of the the many possible amino acids available?
April 25, 2017 Dinosaur Proteins - Ancient dinosaur proteins could reveal how the Mesozoic creatures dealt with high carbon dioxide levels.
April 24, 2017 Star-Nosed Moles - What star-nosed moles reveal about the specialized mammalian brain.
April 21, 2017 Oxygen-Deprived Mole-rats - An odd-looking little mammal uses a trick from the plant kingdom to survive without oxygen.
March 10, 2017 Avian Athletes - Scientists are learning from birds’ amazing metabolisms to help human athletes perform better on the ground.