This week, Claire reveals new research that discovered 20 unknown viruses in the kidneys of bats in China; and Stu digs into recent studies of how weight-loss drugs like Ozempic work in the brain, and what this tells us about how our appetites function.

This week on Lost in Science: Did you know the Andromeda galaxy is heading straight for us? Chris unpacks new research that pushes the expected Milky Way-Andromeda collision a few billion years further into the future. Meanwhile, Stu investigates cannonball fungi—tiny but mighty organisms that launch their spores over six metres! Find out how these fungal sharpshooters can stain your house and frustrate gardeners everywhere.

This week, Claire shares the great news that the critically endangered Leadbeater's possum, which is Victoria's faunal emblem, has been found living in NSW; and Chris explains the risks of sleep apnoea, and how the social media trend of mouth taping probably doesn't help.

This week on Lost in Science, Stu plunges into the cold truth about ice baths and athletic performance, while Claire revisits an interview with cave-diving palaeontologist Meg Walker, who searches underwater caves for fossils of Australia’s extinct megafauna – including giant wombats, marsupial lions and one-toed kangaroos.

Linden talks to radio astronomer Natasha Hurley-Walker about all things radio telescopy, and Stu brings a story about a new potential species that may not actually be alive.

This week, Linden talks to researcher Michael Wheeler about the dangers of too much sitting, whether it really is the new smoking, and how to aim for more exercise; and Chris updates us on the search for a ninth planet in our Solar System (not counting) Pluto, why some astrophysicists believe it exists, and a dot seen in old telescope data that may be the missing planet.

This week on Lost in Science Chris dives into the debate over seed oils—are they really toxic villains in your pantry, or just misunderstood kitchen staples? He unpacks the science behind the controversy that's spreading across social media faster than a hot fry in canola oil.Meanwhile, Claire swings back to a fascinating story about great apes and their surprising medical know-how. New research reveals chimpanzees treating each other’s wounds with medicinal plants—offering fresh insight into the roots of healthcare and the evolution of compassion in our species.

Linden Brings some good news about levels of rubbish on beaches and waterways in Australia, and Stu finds out about an exclusive club who have seen a colour nobody else has ever seen.

This week, Claire examines new data on the detection of a potential chemical bio-signature on exoplanet K2-18b, and whether it strengthens the case for alien life; and Chris responds to media reports of possible over-diagnosis and over-medication of ADHD by looking at the data and current research and best practice. Have We Been Thinking About A.D.H.D. All Wrong? - The New York Times

On this week's show Stu has a look at the impact of US science funding cuts on the Australian scientific research landscape, and Linden talks to Euan Ritchie about the hoopla around Dire Wolf resurrection... just in time for Easter?