Longitude was maritime history’s greatest scientific breakthrough. Dr Karl discovers why  with Kevin Sumption and James Hunter from the Australian National Maritime Museum in Sydney. What connects Lieutenant James Cook to the early computers ? Extraordinary nautical tables and accurate clocks. From these innovations space exploration was possible. (from 2016)

Longitude - Our gateway to the fourth dimension (96)

Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood. 
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Science

Physics

Earth Sciences

Why use a balloon to hunt the most elusive suff in the Universe? Dr Sirks takes Dr Karl through the history of Dark Matter and why astronomy is only part of the solution. DR kARL Dr Sirks  

Ballooning for Dark Matter with Dr Sirks  (379)

There is a perception that the worst pesticides were banned years ago. So why are Insects (including bees) in decline? Dr Sanchez-Bayo says a family of water soluble pesticides are to blame. He names them and wants to know why they are still being sprayed in Australia.  Dr Sanchez-Bayo  Dr Karl  

Neonicotinoids  with Dr Sanchez-Bayo (378)

One of the most popular diets today was studied by professor Varady over 20 years ago. She now teaches in Chicago. Dr Karl finds out why intermittent fasting is so successful.  Dr Karl  Prof Krista Varady

iFasting with prof Varady (377)

Cat ladies, Australians and Chickens have all helped to advance our knowledge of Viruses and their link with Cancer. Dr Gregory has investigated the history and written a book about how we got where we are.  dr Karl   A/Prof Morgan  X: @DrGMorgan   Threads: @dr.gregory.morgan   Blue Sky Social: @drgregorymorgan.bsky.social 

Viral History with A/Prof Morgan (376)

When Aircraft accidents happen we investigate how and why. Dr Sonya Brown tells Dr Karl about the process of improving safety and the importance of learning from incidents.      DrKarl.com Dr Sonya Brown  

Longitude - Our gateway to the fourth dimension (96)

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