Digital bridge for spinal cord allows paralyzed man to walk again; Warming in the arctic is disrupting the ground-squirrel’s love life; Scientists completely map the activity of serotonin in the brain of a roundworm; Medium sized black hole in our galactic neighborhood could solve an astronomical puzzle; Plastic pollution and disease — ‘Plasticosis’ is a new plague for wildlife.

Focussed ultrasound could have potential for inducing hibernation; Scientists explore what makes you attractive — to mosquitoes; Coyotes and bobcats are more vulnerable to humans when wolves and cougars are around; A Ugandan vet’s amazing story of her work to save mountain gorillas.

Giant dinosaurs found in Australia migrated through Antarctica; A map of arctic industrial pollution shows where risks might arise as permafrost melts; A new technology is showing where baby sharks are born; Polynesian tool finds support the oral histories behind Moana; Incorporating diversity of human genomes in new Pangenome; Comparing 240 mammalian genomes helps illuminate what makes us human.

Why does this shark hold its breath?; A condor nest in the Andes preserves a 2000 year record of the rare birds; Scientists figure out why deer don’t get Lyme disease from their ticks; The famous motor homunculus picture is wrong; The next pandemic will see new vaccines delivered in new ways.

20,000 deer-tooth pendant carries the DNA of the person who wore it; New AI mind-reading system could restore the voice of the voiceless; An amphibious fish can give us clues into the origins of blinking; Canada’s Eastern wolves are genetically distinct, not just wolf/coyote mutts; New satellite will be ‘an eye in the sky’ monitoring North America’s air pollution; Air pollution causes lung cancer, but not the way you might think; Question - where does moon dust come from?

How do you like them apples? A researcher breeds climate-change tolerant fruit; New documents retell the story of Rosalind Franklin’s contribution to DNA science; Desert birds have special belly feathers for carrying water for their chicks; Space mice give insight into how our microbiome could protect us from bone loss; UK science star Brian Cox’s new book explores how we might live in a black hole.

The great Pacific garbage patch is crawling with coastal life; A new cosmic map shows lumpy dark matter was scaffolding for our universe to evolve; We now know why huge underwater volcanoes don’t change the climate much; Spadefoot toads decide in the egg what kind of tadpoles they need to be; Life in Antarctica survived the last ice age, but is threatened in a warming world; Antarctic seabirds’ breeding seasons are being pre-empted by unseasonal storms; Listener Question: What would happen...

A new AI can develop scientific theories like a human scientist; A Canadian Astronaut on catching a ride to the moon; Understanding the secret of bear hibernation could help humans avoid blood clots; Medieval monks watching the moon provided valuable climate data; A view on the womb - a new book looks at the neglected science of the uterus; How would the Earth be different if it had never collided with the object that created the moon?

Scientists map Earth’s ionosphere with artificial auroras; Climate change is a boon for baseball’s power hitters; Scientists identify where babies get their bacteria; When we walk through crowds, math, not intelligence, controls the flow of traffic; How stories can work with science to help us make sense of the world; The stories that books can tell — that aren’t in the words they contain

Tyrannosaurus rex had lips covering its terrifying teeth; Eagles are eating cows instead of salmon – and farmers are happy; Inspired by the High Seas treaty, scientists are calling for the protection of space; Arches, loops and whorls — how your unique fingerprints are made; Humans are fueled by food — but we run on electricity.

Oumuamua’s strange behaviour has a natural explanation, no aliens needed; Great apes spin to make themselves dizzy — apparently just for kicks; A sensor equipped surgical glove could help make delivery of babies safer; The process of elimination — how tiny insects pee 300 times their own weight every day; A new scale for atmospheric river intensity is helping us understand them; Extreme weather is increasing — so much that it’s changing earth’s gravity; Listener Question: Why do geese...

5,000 years ago riding left traces on the legs and butts of the earliest horsepeople; Whales use ‘vocal fry’ to echolocate at depth; Fossils suggest that if equatorial oceans get too warm, plankton may desert; Scientists have mapped the most complex animal brain yet - and it's the size of a grain of salt; A new book explores the unique biology and uncertain fate of Australia’s iconic koala.

Owls zero in on their prey under snow by eavesdropping on the sounds they make; Elephant behaviour helps to maintain healthy, carbon-rich forests; Feisty songbirds swarm their predators – but only when the time's right; The ‘sensory moustache’ that helps bats find sweet snacks; Cockatoos have a handy tool belt to fish for cashews; Seals may not tap their toes, but seals also appreciate a good musical rhythm; Listener Question: Why can’t waste plastic be dumped into volcanoes?

Male giraffes drink and savour female giraffe urine to see if she’s ready to mate; What scientists do when a volcano upsets their climate change record; Europe’s first farmers suffered more violence than their hunter-gatherer ancestors; Recycled wastewater can be cleaner than conventional sources; Don’t worry about zombie fungus. Do worry about other fungal pathogens.

Gorilla-sized penguins once roamed New Zealand; The first dedicated mission to Uranus will investigate why it’s tipped-over; Archaeologists decipher mummification secrets in embalming workshop; Engineered egg whites are the key element in a new water filter material; A new book explores 19 perspectives on the problem of consciousness.

The science behind the ‘love hormone’ may have a big problem; Could moon dust solve our global warming problem?; Canadian researchers develop a smartphone app for making memories; Orca sons are costing their mom’s a chance at more offspring; Crossing the land bridge — and back again. The travels of North America’s first settlers.

For a century dolphins and fishers have been cooperating, and the benefits are now clear Arctic foxes are tremendous travellers Elephant graveyard shows Neanderthals were more cooperative than we thought Asteroid sample shows just what we need to deflect a surprise killer impactor A new book looks at the experiments that gave us the modern picture of matter

Humans intuitively understand ape gestural communication; Wolves on an Alaskan island ate all the deer, so now are preying on sea otters; A unique mummy is digitally unwrapped to reveal historical treasures; 52 million years ago Canada’s Arctic was home to pre-primates; Black in Science: have recent years of activism made a difference?; Quirks & Quarks listener question.

An ancient sea creature sported a massive fork on its head — what for?; Echidnas blow snot bubbles to keep cool under the Australian sun; The Mars Perseverance rover is caching samples for return to Earth; Farming fish lose their fertilizer to invasive rats; How to fight an infodemic with cognitive vaccines.

ExxonMobil knew — and they knew really, really well; Dolphins yell to be heard over human noise, but the message doesn’t get across; Where’s the Kaboom? NASA’s new quiet supersonic plane is getting ready for lift off; Is climate change driving an “insectageddon”?; Canada on the moon: A Canadian-made rover will pave the way for the next astronauts.

A real viral video shows a microscopic virus attempting to infect a cell; A new study suggests scientific innovation has been stagnating; Studying the sex lives of constipated scorpions; We thought the Oort cloud threw snowballs at us — but it’s throwing rocks too; A biologist explains animal behaviour by tossing out the old nature/nurture debate; Quirks & Quarks listener question.

To finish out the year, we’ve got another edition of our ever-popular Listener Question Show, where we find the experts to answer your burning science questions.

Figuring out what reindeer can hear to understand the impact from industrial sounds; Scientists discover massive river flowing under the Antarctic Ice; A shocking solution to accidental killing of sharks in fisheries; Clawing back: How cougars and grizzlies are reintroducing themselves in Manitoba,

A Canadian astronaut explains the toll space travel takes on the human body; A neuroscientist asks: Do we long for a divine creator or do we just want our mommies?; A medical historian looks at the historical echoes of the past in the pandemic of the present.