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Quirks and Quarks: Daily Summaries Delivered
by CBC
CBC Radio's Quirks and Quarks covers the quirks of the expanding universe to the quarks within a single atom... and everything in between.
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- 5 days ago54 min
Using ants to make yogurt, and other producer picks
From elephant whiskers to Arctic rhinos and even science programming in prisons, we revisit some of our producers’ favourite stories from this season. Including:One of the world's earliest plant-eaters discovered in Nova ScotiaElephant trunk whiskers increase their sensitivity to better 'feel' their surroundingsYogurt with a creepy-crawly secret ingredientRhinos roamed Arctic Canada 23 million years agoBringing science education to the incarcerated
- 1 weeks ago54 min
Whales, sex and rocks — it's our book show!
We revisit our conversations with authors of some of the year’s most fascinating science books in our annual holiday book show. Featuring:Questioning the purpose of whale song — for love or echolocation?Journeying through deep geological time to better tackle problems of the futureBiological sex is complicated, but that's what helps animals like humans thrivePlus, science journalist and BookLab podcast co-host Dan Falk reviews The Martians by David Baron, Dinner With King Tut by Sam Kean and The Mind Electric by Pria Anand.
- 2 weeks ago54 min
Pumas vs. penguins, and other clever carnivores
From tiny T. rexes to a car-sized sea monster, we revisit some of our favourite stories about predators in their prime, like:Smaller tyrannosaur solves decades-long debate about the T. rexAmong Yellowstone’s top predators, wolves beat out cougars as the top dogBears with us. Tracking grizzlies in B.C.Cleveland’s ancient car-sized sea monster had bony fangs made out of its skullWild wolves run for their lives when they hear Big Bad Humans nearbyWhy penguin-eating pumas live closer together in Patagonia
- 3 weeks ago54 min
Summer Science Spectacular
From camping out on 'bird poop island,' chasing down wild dogs in Madagascar, or even looking for bombs in a bog in Ottawa –– no one quite does summer like scientists. This week, we revisit some of the hijinks that Canadian researchers got up to last year as they left their labs to get their hands dirty in the field.FEATURING:Camping out on a remote island with thousands of screaming, pooping, barfing birdsDodging lions and mongooses to monitor what wild dogs are eating in MozambiqueSaving ancient silk road graffiti from dam-inundationProspecting for Second World War bombs in an Ottawa bogTechnology allows examination of Inca mummies without disturbing themEavesdropping on chatty snapping turtles in Algonquin Park
- Jun 26, 202654 min
June 27: Sweat, comets and dino milk. It’s our summer question show!
Quirks & Quarks has been taking your burning science questions for half a century. And while we thought we might have answered every question there is to answer over the years, our listeners proved there are always more fascinating head-scratchers for us to tackle.Like:Are comets eternal?In a sauna, what am I sweating out?Did dinosaurs produce milk?If heat rises, why is there snow on the top of mountains?What does a black hole orbit?What if we had no moon?Why are cat and dog tongues so different?Why are robin eggs so blue?Why do some animals become mega sized?How do animals deal with strong bright UV light?
- Jun 19, 202654 min
Great white sharks in hot water, and more…
Some of the oceans biggest, most powerful predators, like certain sharks and tuna, are “mesothermic” or warm-bodied. Running hot allows them to rapidly convert their food to energy and heat, helping them swim faster and hunt in cold waters. But that advantage may become a disadvantage in a warming climate, meaning these fish need to find new ways of cooling off, or face a new threat to their survival.PLUS:Ancient Peruvians traded parrots across deserts and mountainsFrom the archive: David, Jay and Bob, and Quirks & Quarks' origin storySea cucumber 'zombie tissue' straddles the line between life and deathDream engineering may help you solve problems in your sleep
- Jun 12, 202654 min
Fossilized squirrel poop full of ancient animals, and more…
Gold miners working in the Yukon regularly find ancient ground squirrel burrows throughout the permafrost, many containing fossilized feces. Researchers analyzing these well-preserved poop piles found they contain some of the oldest DNA ever recovered, dating from 30,000 to 700,000 years ago. Tucked inside were traces of a wide range of ancient animals, including woolly mammoths, grasshoppers, steppe bison, ancient horses, American cheetahs, as well as hundreds of plant species.PLUS:‘Super-good, ice-making microbes’ may trigger snow and rain, or help freeze foodWe’re a hotbed of mutations, and scientists are leveraging that for our healthGoing out on a limb. Animals regrow body parts, maybe we can tooFrom the archives: Isaac Asimov on human creativity and robots
- Jun 5, 202654 min
Humans and animals love the same sounds, and more...
150 years ago, Charles Darwin noticed that birds and humans were both drawn to bright plumage and elaborate display. He called this interspecies esthetic appreciation a “shared taste for the beautiful.” Now, in a recent study, an interdisciplinary team of scientists built an online game exploring the mating calls of 16 different species and discovered, to their surprise, that humans and animals agree on which sounds are more attractive.PLUS:How the brain can learn to truly multitaskFrom the archives: The Russian space mirror that flashed across Canadian skiesThe Matrix is real: birds, dragonflies and dogs see the world in slow motionCould the next giant particle collider unlock the mysteries of the universe?
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About Quirks and Quarks
CBC Radio's Quirks and Quarks covers the quirks of the expanding universe to the quarks within a single atom... and everything in between.
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Frequently Asked Questions
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