Wheat and potatoes in Nunavut? Climate change could bring agriculture to the North; Arrakoth reveals how the solar systems building blocks were built; The secret to flight in birds and bats is not just wings, it’s guts; Bringing 'two eyed seeing' — indigenous knowledge and science to fisheries conservation; Canadian scientists engineer self-cleaning surface that can repel dangerous bacteria; Do other planets in the solar system have orbital tilt and seasons?

Treating the coronavirus: improvising now, but with real hope on the horizon; ‘Parentese’ is not just baby talk. It boosts baby’s language skills; Gunshot-loud underwater clapping could be how grey seals intimidate rivals and attract mates; New implantable nerve guide tricks severed nerves into growing together again; Pathway to Mars — Can we get astronauts to Mars sane and healthy?; Has smoke and soot from the Australian wildfires made its way to the Antarctic?

Tracking coronaviruses post SARS — how science has made for rapid response; Wiring jellyfish for speed — what modding a sea creature can tell us about the ocean; Me-owch — could resting cat face tell us about kitty’s pain?; Forget face recognition — an AI can tell who you are by how you dance; Canada’s newest astronaut is a scientist fascinated by fire.

Intermittent fasting — why not eating (for a bit) could work for weight loss and health; Brewing a better espresso with less coffee and more math; Bringing biology to bricks — concrete details on how to grow building materials; Avast! Scurvy is still a health issue in 21st century Canada; Fangs very much. Scientists use stem cells to make snake venom — without the snake; How come I can’t tolerate spicy foods, but my kids can?

‘A billion animals gone’ — understanding the effects of Australia’s fires on wildlife and people; Pass the popcorn - scientists are playing 3D movies to cuttlefish; The cost of coal - pollution takes lives, but also costs food; Cape Breton fossils are the oldest evidence of parental behaviour; Burned roots are the first evidence of humans cooking vegetables and sharing food; Why do we seem to generate so much poop?

The annual Quirks & Quarks Listener Question show

Another tragic and destructive year for wildfires — is this the new normal?; Year of reckoning for nutritional science — red meat studies point the way forward; Arctic ice losses were at near record levels — with particular concerns about Greenland melt; Measles sabotages the immune system — so it’s much more dangerous than we’d realized

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Exploring culinary extinction: the foods we have eaten out of existence; How quantum particles could spawn an infinity of new universes — and we never notice them; Tales of a forensic ecologist — tracking criminals with pollen and spores.

When we saved the ozone layer we saved ourselves from even worse climate change; An interstellar visitor could be lighting up for astronomers in time for the holidays; Penguin-like great auk extinction has human signature all over it; NASA, SpaceX, a former astronaut: Who will build the rocket that takes us to Mars?; Concussions can damage the connection that helps your left brain talk to the right; As water covers most of the Earth, why isn’t it completely shrouded in clouds?

Our brains could be collateral damage in our body’s fight against infection; NASA's mission to touch the sun reveals 'rogue waves' and flipping magnetic fields; Songbirds are shrinking and climate change may be to blame; Ancient Indigenous people made durable rock paint from lake goo; Scientists surprised to discover women lacking olfactory bulbs can smell just fine; Do different species of birds understand each other’s tweets?