Quirks and Quarks
A weekly Science podcast featuring Bob McDonald
Quirks and Quarks
Episodes
Episodes of Quirks and Quarks
Mark All
Hurricane Helene’s killed hundreds, but the true death toll could end up in the thousandsHurricanes and tropical storms in the US kill about 24 people directly, but a new study looking at “excess deaths” suggests that in the affected areas the
A Central American lizard creates a bubble of air underwater to breatheSemi-aquatic lizards in the western rainforests of Central America have the ability to hide from predators underwater by breathing from a bubble of air they forms over its h
Earthquakes create a spark in quartz that can form massive gold nuggetsScientists have figured out why up to 75 per cent of all the gold ever mined forms inside quartz in areas with a long history of earthquakes. Chris Voisey, a Canadian geolog
Wrestling 14-foot 'dinosaurs' to figure out why they're dyingDr. Madison Earhart, a postdoctoral fellow from the University of British Columbia, spent her summer fishing for enormous white sturgeon in the Fraser and Nechako Rivers in British Co
A behind-the-scenes chat about the making of the CBC Radio collaboration called "Overheated." White Coat, Black Art, What on Earth, and Quirks and Quarks are exploring how heat is affecting our health, our communities and our ecosystems. This
Quirks & Quarks launches our new season with a special on urban heat. It's part of a collaboration with White Coat, Black Art and What on Earth called "Overheated."Host Bob McDonald and Producer Amanda Buckiewicz tell the story of how a city’s
Check out our podcast feed for shows you might have missed, or visit us online at cbc.ca/quirks to see our on-demand audio archive.
Christ Kennedy from Moncton, New Brunswick asks: If someone had the means to, how close could we bring the Moon to the Earth while still keeping it in orbit around us? And fast would a month fly by?Answer from Brett Gladman, a professor of astr
What would you do with a third thumb? Research suggests our brain can quickly adapt Birds can dream - and even have nightmares - and now scientists are tuning inA comprehensive new collection of medical information shows the health risks of sp
The sun’s ramping up its activity and now we have a better idea of what’s driving itThis spring we’ve seen some spectacular displays of northern lights and we’re expecting to see more as we approach the peak of the sun’s natural cycle, the sol
Killer whales are likely ramming boats because they’re bored and having funSeveral years ago a small population of killer whales living off the coast of Spain began attacking boats, particularly sailboats, damaging some severely and even sinkin
This little piggy escaped and wreaked havoc on crops and the environmentWild pigs that have escaped or been released from farms have established self-sustaining populations in the prairies and central Canada and are wreaking havoc on farms and
The recent solar storm scrambled undersea sensorsThe solar storm that lit up the evening sky with aurora recently was also detected by Canada’s Ocean Network system of undersea oceanographic observatories off both coasts of the country and up i
Sabre tooth cats had baby-tooth backupThe fearsome canines of saber-toothed cats were terrific weapons for stabbing unfortunate prey, but their impressive length also made them vulnerable to breakage. A new study by University of California, Be
We baby talk with both dogs and kids, but our faces say something differentDogs can use their powerful noses to sniff out PTSDA quarter of all Labradors are hard-wired to be hungrier and burn less energyYour pet dog may know more words than you
Chimpanzees are being forced to eat bat feces, and the viruses in itResearchers in Uganda have noticed a new behaviour in the wild chimps they study. The apes are browsing on bat guano, apparently to access the nutrients it contains, as their n
The climate is changing. So are we. On What On Earth, you’ll explore a world of solutions with host Laura Lynch and our team of journalists. In 1970, 20 million people showed up to fight for the environment on the first Earth Day. More than fiv
This researcher wants a new particle accelerator to use before she’s deadPhysicists exploring the nature of reality need ever more capable particle colliders, so they’re exploring a successor to the Large Hadron Collider in Europe. But that new
Old canned salmon provides a record of parasite infectionTo study marine ecosystems from the past, scientists picked through canned salmon dating back more than four decades to measure levels of parasites in the fish. Natalie Mastick, a postdoc
Seeing a black hole’s magnetic personalityScientists using the Event Horizon Telescope have produced a new image of the supermassive black hole at the centre of our galaxy. And this image is a little different: it captures the powerful magnetic
Archaeologists identify a medieval war-horse graveyard near Buckingham Palace We know knights in shining armor rode powerful horses, but remains of those horses are rare. Now, researchers studying equine remains from a site near Buckingham Pala
How animals dealt with the ‘Anthropause’ during COVID lockdowns (1:04)During the COVID lockdowns human behaviour changed dramatically, and wildlife scientists were interested in how that in turn changed the behaviour of animals in urban, rural
Why a detective is studying blood spatters in zero-gravityThere hasn’t been a murder on the International Space Station — yet. But Crime Scene Investigator Zack Kowalske has been studying how blood spatters in microgravity so that when someone
Nature’s nurturing side — disabled primates thrive in the wild with community supportSurvival of the fittest for primates in the wild often includes them going out of their way to accommodate those with physical disabilities. In a study in the
Speedy ocean predators change their skin colour to signal they’re going in for the kill (1:02)Marlin are predatory fish that can reach tremendous speeds in pursuit of food, making collisions between them potentially deadly. A new study has show
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