Podcast: Download

Why is it Roman buildings made from concrete still stand today? Lindsay Sant and Lino Saubolle discuss recent research that shows Roman concrete had a secret: It was self-healing!

Podcast: Download

How does Santa reach every child in the world on Christmas night? What would it take to make those reindeer fly at those speeds? Why doesn’t Santa age? Caroline Knight discusses these Santa-themed science questions and more with Lindsay Sant and Lino Saubolle.

Podcast: Download

Can a cockroach ever be cute? Caroline Knight tries to convince Lindsay Sant and Lino Saubolle that the recently rediscovered cockroaches of Lord Howe Island fit the description. Plus more on other fun, unusual insects and the latest update on space news.

Podcast: Download

There’s enough oxygen in the Moon’s soil to keep 8 billion breathing for 100,000 years. Lindsay Sant and Gerard Trapnell discuss how scientists know this and plans they have for harvesting Moon air for future human habitation.

Podcast: Download

Let’s talk about some robots in space. Lindsay and Lino discuss the coolest and cutest little floating robot assistants on the International Space Station called astrobees and then talk about MOXIE, an oxygen-generating robot on Mars.

Podcast: Download

With lots of food puns, Lindsay and Lino discuss a recent study that reveals how much our daily chewing burns calories all on its own, but also how the way we chew and how much we do it may have contributed to the evolution of our jawlines.

Podcast: Download

NASA is launching the Artemis I mission that begins our return to the Moon. Lindsay and Lino discuss the Artemis I mission, what will happen, all the science involved, plus what comes next.

Podcast: Download

Dinosaur trees! Caroline and Lindsay talk about the Wollemi Pine tree and its links to prehistoric Australia and dinosaurs, and why Caroline recently purchased one for her home.

Podcast: Download

The James Webb Space Telescope’s first image are amazing and Caroline, Lindsay, and Lino share their awe as they pore over the details of what the images actually show and what we can expect in the future.

Podcast: Download

NASA has launched a rocket from Australia and our Aussie panel is very excited. Caroline Knight, Lindsay Sant, and Lino Saubolle discuss what the new launch means for future space travel from Oz, as well as the science being conducted by this launch.

Podcast: Download

Space bucket list! Lindsay Sant and Lino Saubolle discuss 8 tourist destinations that any future tourist on Mars will want to visit, from the obvious (Olympus Mons) to the weird and mysterious (Medusae Fossae).

Podcast: Download

Telescopes have now given us our first image of the supermassive black hole at the center of our galaxy. Caroline Knight tells us how we discovered there was a black hole there and the amazing story of how this incredible image was made.

Podcast: Download

Before the Big Bang Theory was widely accepted, there were many theories to explain how the universe began. Lindsay Sant and Lino Saubolle discuss five alternative theories that were advanced prior to the currently accepted theory and why they all ultimately failed to explain the universe’s origins.

Podcast: Download

We revisit the historic new James Webb Space Telescope and its first amazing discoveries and then Caroline explains to Lindsay and Lino some astronomical terms like redshift.

Podcast: Download

The Thylacine, aka the Tasmanian Tiger or Tassie Tiger, is extinct, but as Caroline tells Lindsay and Lino, scientists now think it may be possible to bring them back. How is that possible? Will they still be the same animal? And is it moral and ethical to do so even if we can?

Podcast: Download

Even dinosaurs got sniffles! Caroline tells Lindsay and Lino about a new discovery that shows that some sauropods show evidence of having had respiratory infections. Then Lindsay discusses an exploration of how close we could be to building a real USS Enterprise starship.

Podcast: Download

Getting better all the time! Caroline explains to Lindsay and Lino how the quality of antibodies from COVID-19 vaccines improve over time, what antibodies are, and what they do in us. Plus an update on a recent story about a rocket crashing into the Moon.

Podcast: Download

The International Space Station has been humanity’s outpost on the edge of space for more than 20 years, but now its end date has been set. Caroline Knight and Lindsay Sant discuss the history of the ISS, its accomplishments, the date set for its retirement, and where it will end up.

Podcast: Download

The James Webb Telescope is the newest science asset in space and will look deeper into the universe than ever before. Lindsay and Lino discuss the amazing discoveries it’s expected to make in its lifetime. Plus they discuss an old SpaceX rocket heading for a collision with the Moon.