Why wild baby parrots babble like human babies; A mysterious stone found in the Egyptian desert is made of supernova stuff; Buzzing bats mimic hornets to deter predatory owls; Scallops will ‘go into the light’; A Canadian researcher makes the case for admiring the mighty mushroom.

This salamander is an unlikely but agile, aerial amphibian; Headbutting animals can accumulate brain damage; We can use the cables that carry the internet as environmental sensors; Plants that can survive extreme conditions could help us engineer more resilient crops; What we lose as we lose most of the world’s sharks; How do marine mammals surface to breathe during storms?

Study says climate change could cause us to lose sleep – in more ways than one; Scientists successfully grow plants in moon dust; Fossil preserves critical evidence for how trilobites had sex half a billion years ago; A scientist recreates avian soundscapes so we can hear what we’re missing; How the medical system needs to – and is – engaging with its climate impacts; Quirks Question: Why does my breath feel warm when I exhale with an open mouth, and cool when I blow through tight lips?

Oyster shell mountains show history of sustainable Indigenous fisheries; Seagrass is hiding a submerged sweet CO2 secret; Saving the Mekong delta in six (not) easy steps; Researchers can read a bird’s brain to tell what it’s about to sing; The first COVID-19 vaccines were a medical miracle – the next ones could be even better.

With only 10 left, scientists say this tiny porpoise could survive – if we let it; Mars probe detects a whole lot of shaking going on; New heat-to-electricity device could make large thermal batteries a reality; A venomous marine worm with metal teeth reveals its secrets; Meet the Canadian researcher determined to take the animals out of lab testing; Question - Why does burning coal release mercury?

Avian flu outbreak not currently a threat to humans, but awful for our feathered friends; Prehistoric people enjoyed “moving pictures” by combining rock art and firelight; The dingo genome tells a story of an animal that’s not quite dog or wolf; Joggers may be trying to make an effort, but mostly we run as efficiently as possible; A $50 million dollar ticket bought a Canadian millionaire the dream of space travel; Quirks Question - What do underwater volcanoes and tsunamis do to marine life?

Ridges on the surface of an icy Jupiter moon could mean water – and life; Ecotourists could be giving rare tropical iguanas diabetes; Dolphins whistle at each other to keep in touch with distant friends; Walking in the footsteps of the biggest dinosaurs; Humans have ravaged the world’s coral reefs, but some are working to fix them.

Fifteen-year-old Tai Poole won’t rest until he’s uncovered the mysteries of the universe, one probing question at a time. In Season 4 of his Webby-winning podcast, Tai talks to everyone from NASA scientists to stand-up comedians to his equally curious little brother Kien. If you’ve ever wondered if we can keep eating meat without destroying the planet or if we’re alone in the universe, Tai has you covered. More episodes are available at hyperurl.co/taiaskswhy

The first land animal to go legless three hundred million years ago; What did history smell like? New field of science aims to find out; This Canadian researcher was trapped on a Russian ship as war broke out; Sharks sleep, sometimes with their eyes wide open; A new book puts together the story of how people came to the Americas.

Plastic pollution is all over the arctic

Monkeys consume fermenting fruit, likely for the extra calories from alcohol

Biologists record and translate the songs of the manatee

Indigenous-led conservation program saves caribou herd from extinction

The Vikings might have left Greenland when it turned into brown-land

Quirks Question - Do tropical trees lose their leaves?