The Science Show

When raised lead levels were noticed in Los Angeles last year, a chemist — who usually examines asteroids — quickly saw that the fires that ravaged the region in January 2025 were to blame.

Major international airports in the Middle East have been closed this week due to the war with Iran, leaving hundreds of thousands of passengers stranded. So, what happens after a major airspace closure?
How do pilots know where they should fly? And how long will it take to get things back to normal?
You can binge more episodes of the Lab Notes podcast with science editor and presenter Jonathan Webb on the ABC Listen app (Australia). You'll find episodes on animal behaviour, human health, space exploration and so much more.
Get in touch with us: [email protected]
Featuring:  
Amy Briggs, science reporter 
Extra information:  
Air travel may be disrupted by the Iran war for months. This is why
This episode of Lab Notes was produced on the lands of the Gadigal, Wurundjeri and Menang Noongar people.

Robyn Williams reports from the 2026 annual meeting of the American Association for the Advancement of Science.

Backyard sprinklers have transformed the Aussie urban landscape. But their path to domination of our suburbs was haphazard — and hinged on the inventions of several knockabout tinkerers. Meanwhile with a rapidly drying climate, we may need to re-consider our reliance on this invention.
You can binge more episodes of the Lab Notes podcast with science editor and presenter Jonathan Webb on the ABC Listen app (Australia). You'll find episodes on animal behaviour, human health, space exploration and so much more.
Get in touch with us: [email protected]
Featuring:  
James Purtill, technology reporter 
Extra information:
How the garden sprinkler conquered Australia
This episode of Lab Notes was produced on the lands of the Gadigal and Menang Noongar people.

An ancient human may be a new species, and extinct giant kangaroos - could they hop?