Edwin Hubble is world famous. What about Henrietta Swan Leavitt? She found a way to measure and classify the universe. In Dava's book "The Glass Universe" she references the half million glass slides Henrietta and other women used to document both the northern and southern skies. 

There is a family of chemicals that has drug companies popping corks. Obesity researcher Dr Nick Fuller explains to Dr Karl how they work and why they sometimes fail.

Healthy Parents Healthy Kids with Dr Nick Fuller

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Dr Tom Crawford explains to Dr Karl how using fluid density might improve your sporting performance. Listen out for duelling and marathon running references.  

TomRocksMaths

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Playing sport on a rotating planet has advantages. Dr Tom Crawford gives Dr Karl tips on using Maths to score more goals and break records.

TomRocksMaths

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When degenerate electrons meet 0.47 of a solar mass what happens? This is the start of Dr Kirsten Banks' PhD thesis. Dr Karl investigates the secret behaviour of Red Giants in the Milky Way and their Helium flashes.  

Kirsten Banks (astrokirsten.com.au)

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The bird family tree may need pruning. Geneticists have made new connections that take us back to the great extinction event. Professor Ho explains to Dr Karl how this is changing our views on dinosaurs and chickens.

Prof Simon Ho

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Dr Karl learns a new German word 'dunkelflaute'. Rare in Australia yet it plays havoc in colder countries. Yet another reason why atomic reactors are a poor choice for Australia as Dr Barnes explains.

Dr Barnes

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Under current net zero plans, local renewables should directly supply 75% of our energy needs. What about the remainder? Dr Karl consults an engineer on why atomic reactors are a very poor choice for Australian conditions.

Dr Barnes

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Which planetary moons are the best? Space fanatic Kate Howells puts Dr Karl in orbit around some of our most interesting lumps of stuff. How will Earth's moon rate ?

@SpaceKateH

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A shadow of Covid-19 lingers for many. Dr Karl continues his discussion with front-line clinician Professor Steven Faux. Good diagnosis and management offer some a healthy future. 

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Long Covid