For our Christmas episode, Linden speculates what Santa may see on his journey, such as changes in rivers as described in a recent study; and Cat crunches the numbers on how many houses Santa may need to visit, and how. Dongmei Feng, Colin J. Gleason ,More flow upstream and less flow downstream: The changing form and function of global rivers. Science 386,1305-1311(2024).DOI:10.1126/science.adl5728

This week on the show, Chris dives into the groundbreaking discovery of Homo juluensis, a newly identified hominin species that’s shaking up the story of human evolution. Meanwhile, we delve int the archive to revisit fascinating research detailing the first documented case of an orangutan using medicine on its own wounds.

This week we welcome our new Lost in Science team member, climate scientist Linden Ashcroft, and learn all about her research compiling historical weather records to understand the patterns in our continent’s past (see lindenashcroft.com); and speaking of weather, Cat reveals some surprising ways to tell the weather, using crickets chirps, drying seaweed and moon haloes.

This week, Claire lets loose on flatulence, what we know, and how you can Chart Your Fart in a new CSIRO citizen science project, https://research.csiro.au/cshw/projects/chart-your-fart/ And Stu tells us about the so-called forever chemicals PFAS, and new research into how to get rid of them.

Cat explains why a changing climate might be changing peoples' allergies, and Chris unravels the reasons string theory has fallen out of favour

This week on Lost in Science, we’re all about good news! Join us for a feel-good episode as we explore some uplifting innovations. We’ll uncover tree bark microbes munching on methane, affordable e-waste metal recycling, and the incredible reboot of Voyager 1. Science bringing a dash of the positive to the news!

In this spine-tingling Lost in Science Fiction special, Catriona channels her inner Doc Brown to explore if harnessing lightning could actually be a viable renewable energy source—just like Back to the Future! Meanwhile, Chris dives into the biology of the iconic Xenomorphs from the Alien universe, dissecting what makes these terrifying creatures tick. Tune in for a Halloween episode that’s out of this world!

Some classic stories from our annual Lost in Science Fiction specials from years gone by. Chris and Stu talk Star Trek with popular culture researcher Andrew Lynch, Claire gets stuck into a hearty meal of Soylent Green, and Catriona wonders aloud why we still don't have hoverboards and flying cars

This week, Cat takes us through the science of puberty blockers, and how they can help young people sort out their gender identity; and Stu calls up the long list of research into the effects of smartphone use.

This week on Lost in Science, Claire chats with Dr. Matthew Snelson about how our diet affects gutmicrobiome health and the link with chronic diseases. And we dig into the archives with Chris to explore space junk—who's responsible for putting it up there, tracking it, and bringing it down.