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.
Episodes
Next stop - the moon! Jeremy Hansen stops by our studio to chat about how he’s prepping to be the first Canadian to go to the moon.
Plus:
Santa’s reindeer may be losing their antlers –– and climate change could be the culprit
Reindeer are the only animal in the deer family where the females also grow antlers, and they typically have a full rack over the wintertime and drop them in June when they give birth. University of Guelp...
Scientists are shedding light on the strange, car-sized, armoured fish that lived 360 million years ago in what is now Cleveland.
Plus:
The cosmic collider that gave us our moon came from our own solar system, soccer fanatics' brains are wired differently than regular fans, industrial chemicals are hurting our microbiome, and scientists are using our brains to build a better computer.
On this week’s episode: a mini tyrannosaur is a new species, ants redesign to avoid illness, toxic lead gave humans the edge over Neanderthals, invasive fish are evolving to avoid eradication attempts, and how big mining projects — and attempts to hurry them along — can spell bad news for the environment.
This week: bees trained to keep track of time, eating small amounts of plastic can kill ocean animals, scientists spot winds blowing from our black hole, a "one-two punch" earthquake may be coming for the Pacific coast and what “drunken trees” can tell us about our warming climate.
On this week's episode: tracking down a stellar explosion, climate apathy, arctic foxes are key in northern food web, why golf balls lip out of holes and making snake bites less deadly.
On this week's episode: studying a rare visitor to our solar system, eating saturated fats can mess with our internal clocks, holding hands with our 2 million year old ancestors, woodpeckers drill into trees like hammers, and the pros and cons of geoengineering.
On this week's episode: selling sunlight on demand, rhinos roamed Canada’s Arctic 23 million years ago, making a more precise parachute using kirigami, the winner of this year's prestigious Gerhard Herzberg Gold Medal and uncovering widespread scientific fraud.
On this week's spooktacular episode: Wolves are afraid of the big bad human, methane spewing from Montreal’s largest snow dump, screaming babies make us hot to get our attention, baby pterosaurs died in a torrential storm and mind-controlling parasites turn bugs into zombies.
Nobel Prize in medicine for a leash on our immune system
Our immune system has enormous power to defend us against the wide range of pathogens and invaders that nature sends at us. But it’s a double-edged sword, and can target its powerful weapons against us as well. This year’s Nobel prize in Medicine or Physiology went to a group who discovered a critical mechanism that keeps the immune system in check, under normal circumstances,...
On October 9, 1975, CBC listeners across the country heard David Suzuki introduce the very first episode of Quirks & Quarks. 50 years and thousands of interviews later, Quirks is still going strong, bringing wonders from the world of science to listeners, old and new.
On October 7, 2025 we celebrated with an anniversary show in front of a live audience at the Perimeter Institute for Theoretical Physics in Waterloo, Ontario. ...
Remembering Jane: a conversation with Jane Goodall on her storied career
Science lost a unique pioneering figure this week. Jane Goodall — primatologist, conservationist and activist — died at the age of 91. In 2002, she visited the Quirks & Quarks studio to talk with Bob McDonald ahead of the Canadian launch of her IMAX film Jane Goodall's Wild Chimpanzees. Bob and Jane spoke about how a girl growing up in urban England develop...
Let’s go, Grue Jays!
New kinds of birds are not usually discovered while browsing Facebook, but an ornithologist spotted something he’d never seen before in a photo, and tracked down the strange bird. Brian Stokes, a PhD candidate at the University of Texas at Austin, discovered it was actually a previously unknown hybrid of the familiar blue jay and a green jay, better known from southern parts of North America. Climate change like...
Dust from car tires can be bad for fish — what might it do to us?
As car tires wear, they shed billions of ultrafine particles of rubber that contain a complex mix of chemicals, including one called 6PPD-Quinone that’s been linked to mass die-offs of migrating salmon. Now researchers are sounding the alarm that this chemical is accumulating in humans, and we have no clear understanding of its toxicity. An international team of scien...
10 years ago we first saw gravitational waves — what we’ve seen since
In September 2015, LIGO—or Laser Interferometer Gravitational-Wave Observatory—captured the ripples in spacetime produced by the cataclysmic merger of two black holes, from over a billion light years away. This discovery confirmed Einstein’s hypothesis about gravitational waves and gave astronomers a new way to explore the cosmos. In the decade since, LIGO’s scien...
Every summer, Canadian scientists leave their labs and classrooms and fan out across the planet to do research in the field. This week, we’re sharing some of their adventures.
Camping out on a remote island with thousands of screaming, pooping, barfing birds
Abby Eaton and Flynn O’Dacre spent their summer on Middleton Island, a remote, uninhabited island that lies 130 kilometers off the coast of Alaska. They were there to study s...
We're on hiatus for the summer, but we'll return with new episodes on September 6. In the meantime visit our website at cbc.ca/quirks to browse our archives. Have a great summer!
Politically-driven chaos is disrupting U.S. scientific institutions and creating challenges for science in Canada. Science is a global endeavour and collaborations with the U.S. are routine. In this special episode of Quirks & Quarks, we explore what Canadian scientists are doing to preserve their work to assert scientific sovereignty in the face of this unprecedented destabilization.
Canadian climate scientists b...
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