Chemistry in its element

A weekly tour of the periodic table, from Chemistry World, the magazine of the Royal Society of Chemistry.

http://www.chemistryworld.com/podcasts

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Lazurite


A brilliant rich blue rock, prized in antiquity as a gemstone and a prominent pigment, lazurite is the basis of lapis lazuli, the original ultramarine paint and – as Brian Clegg finds – it even adorns Tutankhamun's death mask.


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   6m
 
 

Melarsoprol


Cases of sleeping sickness – human African trypanosomiasis – are in decline, dropping 86% in Africa between 2000 and 2014. Gege Li explores the role that this toxic, arsenic-based medication has to play.


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   5m
 
 

Omega-3 fatty acids


Many consume cod liver oil due to 'a vague sense we should be taking them for something' – but what to the omega-3 fatty acids actually do?


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   5m
 
 

Cacodyl


It made Robert Bunsen seriously ill, Michael Faraday thought it 'barbaric' to use in battle and even Fritz Haber – the 'father of chemical warfare' – abandoned it after a fatal accident in his lab. This week, Mike Freemantle tells the story of...


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   6m
 
 

Bronze


Kit Chapman takes us back to the 1904 Olympics in St Louis, via the bronze age and ancient Greece


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 2019-01-18  4m
 
 

Ellagic acid


Louise Crane introduces the antioxidant that led to exaggerated claims that 'whisky helps fight cancer'


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 2019-01-11  6m
 
 

Myristicin


The spice that gives your Christmas eggnog its distinctive taste and aroma is also a toxic narcotic that played an important role in international history. Florence Schechter shares the history of myristicin – the active ingredient in nutmeg


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 2018-12-17  6m
 
 

Low-background steel


Post-nuclear steel is a little bit radioactive, so for some specialist jobs we need to find a source of steel from before the bomb


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 2018-12-07  5m
 
 

Tin chlorides


The compounds that put the 'tin' in tin cans and help you to reflect on your appearance


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 2018-11-30  7m
 
 

Propanethial-S-oxide: how onions make you cry


Propanethial-S-oxide – how onions make you cry


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 2018-11-23  5m