The lionfish is an Olympic athlete of digestion — and that's an ecological disaster; After a 42-year journey, Voyager 2 goes interstellar; 'We have to do everything:' Why capturing carbon shows real promise; AI is reviewing scientists' old work and discovering things they missed; Fear and trauma are useful for animals — can we learn from them how to live without it?; Do animals ever have heart attacks or is it just humans?

Pollution sniffing investigators find air near roads is high in contaminants; A common fungus may drive tumour growth in pancreatic cancer; The universe was full of cold goop, then came the big bang; Infant eels use the moon and an internal compass to finish their trans-ocean migration; Pathway to Mars — what’s the biggest challenge, money or technology?

Females flinch from the mating call of the world’s loudest bird; A lemur from Madagascar has been hiding a sixth finger on its hand; Beer belly — a rare yeast infection makes the gut into a microbrewery; Climate science goes underground to understand the implications for earthworms; The patient researcher: a scientist’s cancer diagnosis changes her life’s work; What is indigestion and why is it so painful?

Understanding extinction — humanity has destroyed half the life on Earth; Could we prevent arthritis by regenerating cartilage?; Building a better cyborg leg — adding a sense of touch to artificial limbs; People with autism might be suffering from an oversensitivity to touch; Why isn't there a Lyme disease vaccine for humans?

Hear from Canadian-born cosmologist James Peebles about his Nobel Prize; The Quirks & Quarks science and environmental policy debate

Hear from the scientist who says red might not be so bad for us after all; NASA is testing a plan to deflect killer asteroids — by crashing into one; Could modern political strife be making us sick?; We're making tiny brains in the lab — should we be worried for them?; Hear from a researcher who’s investigating how evolution explains the female orgasm; How does 24 hour daylight impact animals in the far North?

New plastic tea-bags shed billions of tiny particles into the cup; Venus is a hellscape now, but might once have been blue like Earth; Lethal memory fail: why drivers see, and then forget motorcyclists; Ever older remains of early migrants rewrite the story of the first North Americans; Making Eden - how plants 'terraformed' the Earth.

The glass obstacle course: Why so few women hold the top spots in STEM disciplines; Women’s brains ARE built for science. Modern neuroscience explodes an old myth; Women and science suffer when medical research doesn’t study females.

Rocks recovered from ground zero reveal how the dinosaurs died; Archaeology from space - discovering history from a few hundred kilometres up; A jumbo jet lost an engine over Greenland — these researchers found it; The toes of foot painters are mapped in the brain as if they were fingers; Why are right whales roaming into danger off the East coast?; Why are the Tablelands of Gros Morne National Park barren?

Dodging venomous vipers and plant poachers to study how climate change impacts insects; Searching for dinosaurs in BC’s rockies — and finding grizzly bears instead; When the desert doesn’t bloom fake flowers are a scientist’s solution; A moment of distraction leads to near disaster while studying insects in a tropical paradise; Projectile vomiting birds are among the challenges in studying arctic lakes.