The most played episodes among Podcast App listeners.

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   Number 1: New Australian leader for Square Kilometre Array

   The Square Kilometre Array is so large it requires two countries: Australia and South Africa. The venture has a new boss, Australian Jessica Dempsey. The Australian part is in Western Australia and will eventually have 131,000 antennae pointing skyward yielding so much cosmic data its computers will be the most powerful ever.

   August 28, 2026·14min
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   Number 2: Applications for quantum mechanics

   Paul Davies canvasses the many amazing applications being realised by quantum theory.

   April 10, 2026·10min
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   Number 3: We know about the rain in Spain. But what about the rain on an ultra-hot Jupiter?

   On one distant planet, where the temperature range is extreme, the atmosphere is composed of iron vapour. As the vapour condenses, drops of iron fall to the ground as iron rain.

   April 10, 2026·7min
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   Number 4: Lab Notes: Why UV levels are so high in Australia

   Australia's summer UV levels are high enough to cause sunburn in as little as 11 minutes. Yet the summer sun in the Northern Hemisphere rarely feels that full on. So why does our sunlight have that extra "bite"? Spoiler: it's not the hole in the ozone layer. You can binge more episodes of the Lab Notes podcast with science journalist and presenter Belinda Smith 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: David Whiteman, medical epidemiologist and Cancer Control group leader at QIMR BerghoferMore information:Why is UV so high during Australia's summer? The ozone hole is not to blameCancer Council — UV RadiationWorld Health Organization — Radiation: The ultraviolet (UV) indexCSIRO — The future of the ozone holeThis episode of Lab Notes was produced on the lands of the Wurundjeri and Menang Noongar people.

   January 13, 2026·15min
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   Number 5: Lead ingots from a Roman shipwreck - a battle between the past and the future

   A Roman shipwreck contained lead ingots. Should they be retained as a link to the past, or be utilised for their unique quality allowing experiments to be performed in the search for dark matter?

   November 07, 2025·16min
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