Chemistry in its element

Chemistry in its element episodes:

• 06.01.2021

  Batteries: The bedrock of the sustainable future

  In this special podcast produced in partnership with Waters Corporation, find out how understanding the chemistry and materials that go into batteries marks the first step towards making them safer and increasing energy density, and unlocks new opportunities for reuse...

  
• 12.21.2020

  Cinnamaldehyde: Chemistry in its element

  How did a tree bark from Sri Lanka become one of the essential flavours of the festive season? We explore the history of cinnamon and the compound that gives it its distinctive taste and aroma  

  
• 12.11.2020

  Azidoazide azide: Chemistry in its element

  A compound so explosively unstable that nobody has been able to measure how sensitive it is without it, well, exploding.

  
• 12.04.2020

  Ochre: Chemistry in its element

  How one of mankind's oldest pigments helped shepherds secure their sheep and inspired one of the most popular songs of the twentieth century

  
• 11.27.2020

  Maltodextrin: Chemistry in its element

  A sweet compound that provides ample energy for extreme endurance events – find out how maltodextrin helped Anna Ploszajski swim the English channel

  
• 11.20.2020

  Ionic liquids: Chemistry in its element

  Liquid salts, ionic melts, fused salts, or ionic glasses – call them what you like, these much-hyped solvents show great promise. Katrina Krämer speaks to chemical engineer Jason Bara about ionic liquids.

  
• 11.13.2020

  Chlorhexidine: Chemistry in its element

  An antimicrobial compound that kills bacteria and viruses quickly – found in some of the most colourful antiseptic solutions 

  
• 11.05.2020

  Asparagusic acid: Chemistry in its element

  Does asparagus give you foul-smelling urine? Helen Arney investigates asparagusic acid, and the lavatorial genetic lottery that controls whether or not you can smell its distinctive aroma

  
• 10.30.2020

  Glycyrrhizic acid: Chemistry in its element

  A sweet treat with a deadly trick for Halloween – glycyrrhizic acid, or glycyrrhizin, is found in black liquorice and sweeter than sucrose, but can cause heart problems and even prove fatal if consumed in excess

  
• 10.23.2020

  Propofol: Chemistry in its element

  Also known as 'milk of amnesia', propofol helps to prevent perception of pain in surgery – just don't forget its dangerous side

  
• 10.16.2020

  Sofosbuvir: Chemistry in its element

  Hepatitis C drug sofosbuvir made waves when first launched – quicker to work and with fewer side effects than existing drugs, but it came with a hefty price tag

  
• 10.09.2020

  Bedaquiline: Chemistry in its element

  Meera Senthilingam makes a welcome return to the podcast with a drug that gives hope to the many sufferers of drug-resistant TB – still one of the world's biggest killers

  
• 10.02.2020

  Oxybenzone: Chemistry in its element

  This summer's extreme weather prompts Katrina Krämer to investigate the history of sunblock and the ingredient blamed by some for bleaching coral reefs

  
• 08.07.2020

  Gypsum: Chemistry in its element

  From Lavoisier’s experiments with plaster of paris to the the ‘Sistine Chapel of crystals’ in Mexico, Mike Freemantle explores the history of gypsum

  
• 08.02.2020

  Favipiravir: Chemistry in its element

  Originally developed to treat flu and marketed in Japan as Avigan, promising Covid-19 trial results have seen countries stockpiling this medication by the millions

  
• 07.24.2020

  Tannic acid: Chemistry in its element

  Tannic acid in green acorns can kill wild animals and livestock, but in this podcast Mike Freemantle makes plain that you can prevent poisoning with pannage pigs.

  
• 07.17.2020

  Ractopamine: Chemistry in its element

  Common in the US but banned in the EU, this animal feed additive makes for muscular pigs and beefy international trade disputes. 

  
• 07.10.2020

  Hexasilabenzene: Chemistry in its element

  Brian Clegg discovers what a six-membered silicon ring can tell us about alien life

  
• 07.03.2020

  2AP (2-acetyl-1-pyrroline): Chemistry in its element

  Frances Addison on the aromatic compound found in both buttered popcorn and the bearcat’s scent glands, and responsible for the distinctive smell of both

  
• 06.26.2020

  Dexamethasone: Chemistry in its element

  News that this cheap, ubiquitous steroid drug may reduce deaths in Covid-19 cases has been greeted with cautious optimism. Ben Valsler looks at the history of dexamethasone and the promising Recovery trial results.

  
• 06.19.2020

  Porcelain: Chemistry in its element

  Mike Freemantle on the art, history and science of this delicate, translucent ceramic material

  
• 06.12.2020

  Feldspar: Chemistry in its element

  Brian Clegg introduces the humble mineral that delights both astronomers and archaeologists

  
• 06.05.2020

  Cimetidine: Chemistry in its element

  Mike Freemantle introduces the peptic ulcer treatment cimetidine, which – as Tagamet – became the first 'blockbuster' drug

  
• 05.29.2020

  Fexinidazole: Chemistry in its element

  The World Health Organisation hope to eradicate human African trypanosomiasis, better known as sleeping sickness, within our lifetimes. Jamie Durrani looks at a drug that may make it possible.

  
• 05.22.2020

  DMT – Dimethyltryptamine: Chemistry in its element

  Georgia Mills investigates the psychoactive found in ayahuasca that may mirror near-death experiences

  
• 05.15.2020

  Chlorine dioxide: Chemistry in its element

  Katrina Krämer investigates how industrial-strength bleach became promoted as 'miracle mineral supplement' – a supposed 'cure' for autism, cancer and even Covid-19.

  
• 05.08.2020

  Oleic acid: Chemistry in its element

  Brian Clegg discovers the link between olive oil, dandruff and stained glass windows.

  
• 05.01.2020

  Interferon beta: Chemistry in its element

  An immune-modulating compound used to reduce the symptoms of multiple sclerosis and now showing potential against coronaviruses, interferon beta is the last of the WHO's Covid-19 Solidarity trial candidates to get the Chemistry in its element treatment.

  
• 04.24.2020

  Ritonavir: Chemistry in its element

  The unexplained appearance and dramatic spread of a new form of HIV drug ritonavir hurt patients and cost its makers almost $250 million. Alexander Whiteside on the chemical phenomenon that links Irving Langmuir, H G Wells and Kurt Vonnegut.

  
• 04.17.2020

  Lopinavir: Chemistry in its element

  Ben Valsler explains how a drug that prevents HIV from donning its protective 'coat' now makes up one arm of the World Health Organisation's Covid-19 trial

  
• 04.03.2020

  Remdesivir: Chemistry in its element

  Will new clinical trials for Covid-19 give remdesivir a second chance?Ben Valsler introduces the broad-spectrum antiviral that didn't quite make it as the Ebola drug it was originally planned to be.

  
• 03.27.2020

  Chloroquine and hydroxychloroquine: Chemistry in its element

  Old drugs sometimes find their way back into the news. The Covid-19 pandemic – and some very high profile backing – has led to malaria drugs chloroquine and hydroxychloroquine hitting the headlines worldwide. Ben Valsler explores both the history and...

  
• 03.20.2020

  Ibuprofen: Chemistry in its element

  Brian Clegg on the popular over-the-counter painkiller, developed by a high-street pharmacy chain

  
• 03.13.2020

  Minoxidil and finasteride: Chemistry in its element

  Catherine Hodges explores the chemical solutions to thinning hair and patchy beards, examining the popularity of minoxidil and the cautionary tale of finasteride

  
• 03.06.2020

  Fipronil: Chemistry in its element

  The pesticide that keeps pets free of pests, but may have also been responsible for the devastating collapse of bee colonies. With Harriet Brewerton.

  
• 02.28.2020

  Leptin: Chemistry in its element

  Rotund rodents revolutionised our understanding of the biological role of fat. Now, as Katrina Krämer discovers, the hormones created by fats could redefine obesity.

  
• 02.21.2020

  Vitamin K: Chemistry in its element

  Ben Valsler on vitamin K – the blood clotting factor that is likely to be the first supplement you ever receive

  
• 02.14.2020

  Amylase: Chemistry in its element

  Brian Clegg on the enzymes make life a little sweeter by breaking down starch into sugars, helping to make bread and beer

  
• 02.07.2020

  Hydroquinone: Chemistry in its element

  Georgia Mills on a compound that explodes from a beetle's bum, and has a controversial role in skin depigmentation

  
• 01.31.2020

  Sodium cyanide: Chemistry in its element

  This week marks the 20th anniversary of the Baia Mare disaster, when toxic sodium cyanide spilled from a gold processing plant led to ecological damage on a huge scale. Mike Freemantle tells the tragic tale and explores the poison's place...

  
• 01.24.2020

  Terephthalic acid: Chemistry in its element

  Once thought of as an interesting – but useless – turpentine derivative, this oddly-named acid became the precursor to one of the world's most widely used plastics

  
• 01.17.2020

  Cobalt oxide: Chemistry in its Element

  From ancient Egyptian pottery to distinctive blue bottles, cobalt oxide has been providing ‘chemically and artistically perfect’ pigments for centuries

  
• 01.10.2020

  Vitamin B12 or Cobalamin

  If you’re trying out a vegan diet, you’re likely to be told to make sure you get enough vitamin B12. Ben Valsler asks what B12 does, where we get it from, and how can we be sure we’re getting enough?

  
• 12.20.2019

  The Elements Song 2019: Chemistry in its Element

  To celebrate 2019 – the International Year of the Periodic Table – we're joined by Helen Arney and the Waterbeach Brass Band with an updated version of Tom Lehrer's elements song. See the video, featuring contributions from chemists around...

  
• 12.13.2019

  Iminosugars: Chemistry in its element

  After promising results treating ill pets, some researchers think iminosugars could become treatments for infection and even cancer. Mike Freemantle explores the buzz about iminohoney.

  
• 12.06.2019

  Oxycodone and hydrocodone: Chemistry in its element

  Frances Addison examines how our quest to control and manage pain has led to a modern medical crisis, as opioids oxycodone and hydrocodone are among the most abused prescription medications in the US

  
• 11.29.2019

  Tryptophan: Chemistry in its element

  Ben Valsler tackles 'zombie facts' and the tenuous connection between tryptophan in turkey and your post-Thanksgiving dinner doze

  
• 11.22.2019

  Zeolites: Chemistry in its element

  Brian Clegg introduces the class of materials where the holes are more important than the whole – the super-porous zeolites

  
• 11.15.2019

  Allicin: Chemistry in its Element

  It helps prevent garlic plants from marauding insects and should have prevented the Hindenburg disaster – Mike Freemantle on allicin and the smell of freshly crushed garlic

  
• 11.08.2019

  Beta–damascenone: Chemistry in its element

  Louise Crane explains how a series of happy accidents led to the discovery of this rose-scented compound, found in rose oil, beer, apple pie and Kentucky bourbon.