The Science Show - podcast cover

The Science Show

ABC listenwww.abc.net.au
The Science Show gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.
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Episodes

What does it take to bring back an extinct animal?

We hear from scientists who push the boundaries of creation, whether that's building wild and wacky snack flavours (successfully) or cloning extinct tropical frogs (unsuccessfully … so far). And since President Donald Trump retook office, the state of health and science research in the US has been precarious for many who work in those areas. But there is a silver lining. Other countries such as Australia are implementing programs to recruit US researchers looking to relocate....

Jul 05, 202541 min

Lab Notes: What we can learn from the world’s cleanest air

We often hear about places where the air quality is bad, even dangerous, but what about where the air is the cleanest on Earth? That air can be found blowing onto the north-west tip of Tasmania at Kennaook/Cape Grim, where an air pollution station has quietly been keeping track of how humans have changed the makeup of our atmosphere for 50 years. So what does the world's cleanest air tell us?

Jul 01, 202514 min

A portrait of philosopher Karl Popper

Karl Popper (1902-1994) is regarded as one of the greatest philosophers of science of the twentieth century. Alan Saunders presented this portrait of Karl Popper for The Science Show in January 2001.

Jun 28, 202554 min

Lab Notes: How Ozempic stops food cravings

A weekly injection that stops that hankering for hot chips and donuts? Many people on Ozempic and similar medications report this phenomenon, saying they no longer have incessant thoughts about sweets and fried food. So how do these drugs, known as GLP-1 agonists, work in the brain to dial down "food noise" and help people lose weight?

Jun 24, 202512 min

Lab Notes: The tiny beetle ravaging Perth's trees

It's the size of a sesame seed, but it could cause unfathomable destruction to Australia's forests and urban canopy. A beetle called the polyphagous shot-hole borer (Euwallacea fornicatus) is silently spreading through Perth and its surrounds, forcing councils to chop and chip hundreds of trees — even century-old Moreton Bay figs. So how does the tiny pest cause such massive problems?

Jun 17, 202515 min

Professor Roger Short, reproductive biologist

Roger Short (1930_2021) discusses influences in his early life, and some of his research achievements including melatonin as a controller of circannual rhythms, and aspects of reproductive biology across the animal world.

Jun 14, 202554 min

Lab Notes: What makes Sydney's cockies so clever?

First they learnt how to flip open wheelie bin lids. Now they're using water fountains. Masters of the urban landscape, sulphur-crested cockatoos (Cacatua galerita) are more than capable of some quirky (and sometimes messy) antics. So what do these entertaining exploits tell us about cockie innovation — or even cockie culture?

Jun 10, 202515 min

Lab Notes: How microscopic algae can devastate ocean life

A couple of months ago, a killer started mobilising off the South Australian shore — one that would wipe out marine life, make surfers feel sick, and smother picturesque beaches in thick foam. The culprit? A bloom of tiny organisms called microalgae. We can't see them with the naked eye, but in big enough numbers, they can devastate ecosystems. So what made the South Australian algal bloom so lethal, and can anything be done about blooms like it?

Jun 03, 202514 min

Black white and green

People have been in the Australian wilderness for generations. But can people be considered part of the natural landscape or will they always have an impact?

May 31, 202555 min

Lab Notes: AI that outperforms humans is coming

If you were impressed by generative AI such as ChatGPT, then artificial general intelligence or AGI promises to really knock your socks off. Over the past couple of decades, tech companies have been racing to build AGI systems that can match or surpass human capabilities across a whole bunch of tasks. So will AGI save the world — or will it spell the beginning of the end for humanity?

May 27, 202515 min

Lab Notes: Why a metre is a metre long

The next time you pick up a bag of spuds from the supermarket or fill up the car with petrol, you can thank the Treaty of the Metre for the metric system that underpins daily life. The treaty was signed exactly 150 years ago, when delegates from 17 countries gathered on a Parisian spring day to establish a new and standardised way of measuring the world around us. But the metre's inception predates the treaty that bears its name by nearly 100 years. So how did it come about, and how has its defi...

May 20, 202513 min

Lab Notes: The plight of the southern right whales

Southern right whales (Eubalaena australis) were named by whalers because their high oil content made them the "right" ones to kill. In the decades since whaling was banned, southern right numbers increased — but a new study shows that population growth stalled, and might've dropped a bit, despite current numbers still far below what they were in pre-whaling times. So what's going on with the southern rights?

May 13, 202514 min

Aging halted in fruit flies. How about humans?

David Walker at UCLA says he can halt aging in fruit flies. Can the same concepts be applied to humans? And two tertiary students and an artist describe combining science and artistic pursuits.

May 10, 202553 min

Lab Notes: Why one man let deadly snakes bite him 200 times

Cobras, taipans, black mambas — Tim Friede's been intentionally bitten more than 200 times by some of the most venomous snakes on Earth. And he survived, mostly because years of self-injecting venom let him develop immunity to them. (Please do not try this yourself!) Now his blood's been used to make a broad-spectrum antivenom that researchers say may protect against nearly 20 deadly snakes. But this is not how antivenom is usually made. So how are snake antivenoms produced, and where are we wit...

May 06, 202514 min

The Science Show

This episode of The Science Show explores diverse topics, starting with the state of the planet, then delving into the formation of elements in stars, and spotlighting the ecological restoration efforts on Cockatoo Island in Sydney Harbour. It further discusses the vital role of dung beetles in the ecosystem, ending with a tribute to David Attenborough and his love for Birds of Paradise.

May 03, 202554 min

A happy 99th birthday to a friend of The Science Show.

Mansi Kasliwal describes how she detects supernovae – the massive stellar explosions where elements are formed. We learn how dung beetles saved the Australian environment from the big problem, and David Attenborough shares his love for Birds-of-paradise.

May 03, 202554 min

A happy 99th birthday to a friend of The Science Show

Mansi Kasliwal describes how she detects supernovae – the massive stellar explosions where elements are formed. We learn how dung beetles saved the Australian environment from the big problem, and David Attenborough shares his love for Birds-of-paradise.

May 03, 202554 min

Lab Notes: Why did NASA spend a billion bucks on Lucy?

Somewhere out past Mars in the early hours of Easter Monday, a space probe called Lucy whizzed by an asteroid named Donaldjohanson. Lucy then sent back images showing Donaldjohanson is about five kilometres wide and shaped like a peanut. It's one of a handful of asteroids on Lucy's 12-year itinerary. So what does the billion-dollar mission hope to achieve?

Apr 22, 202513 min

The power of palaeontology

Palaeontology helps reveal why some animals are in desperate need of help while others thrive.

Apr 19, 202553 min

Lab Notes: Why sprinting sensation Gout Gout is so fast

Gout Gout is fast becoming the face of Australian athletics, regularly clocking blisteringly quick times over 100- and 200-metre sprints. And he's only 17. Many think the best is yet to come. So what is it about Gout that makes him such an impressive sprinter at such a young age?

Apr 15, 202513 min

New findings show how genetic mutations drive autoimmunity.

A protein in the immune system, DECTIN-1 - primarily responsible for defending the body against fungal infections, has been found to control the severity of autoimmune diseases such as irritable bowel disease (IBS), type 1 diabetes, eczema, and other chronic disorders.

Apr 12, 202554 min

Lab Notes: How to decommission a nuclear power plant

We've been hearing a lot about a certain proposal to get nuclear power up and running in Australia, but little's been said about what happens when plants reach the end of their life. Decommissioning a single nuclear power plant can cost hundreds of millions of dollars and take decades. So what's involved, and why is the process so long and expensive?

Apr 08, 202514 min
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