Guardian Science Weekly

Why does Covid-19 make things smell disgusting?

Loading player...
Growing numbers of people catching coronavirus are experiencing an unpleasant distortion of smells. Scientists are still unsure what causes this often distressing condition, known as parosmia, where previously enjoyable aromas trigger feelings of disgust. Madeleine Finlay talks to science correspondent Linda Geddes about her own parosmia, and chemist Dr Jane Parker discusses research into why the smell of coffee seems to be a trigger for so many people. Help support our independent journalism at theguardian.com/sciencepod
16 Nov 2021 English United Kingdom Science · Nature

Other recent episodes

Meningitis explained: who is most at risk?

Over the weekend, news emerged of an outbreak of meningitis among university and school students in Kent in south-east England. The outbreak has killed two young people and left several others seriously ill. Health officials confirmed that the meningitis B strain has been identified in some of the cases. To…
18 Mar 15 min

What’s behind the injectable peptide craze?

Grey-market injectable peptides – a category of substances with obscure, alphanumeric names such as BPC-157, GHK-Cu, or TB-500 – have developed a devoted following among biohackers and health optimisers. To understand how these unregulated substances have become mainstream and what they could be doing in our bodies, Madeleine Finlay hears…
17 Mar 17 min

Was Iran really building a nuclear weapon?

Among the many justifications Donald Trump has presented for the US and Israel attacking Iran has been the supposedly imminent threat posed by its nuclear weapons programme. But how close was the country really to developing an atomic weapon? Ian Sample hears from Kelsey Davenport, the director of non-proliferation policy…
10 Mar 16 min

Will China own the green energy future?

The conflict in the Middle East has sent energy prices soaring, and for countries that import a high proportion of their fuel, it’s a reminder of the perils of energy dependence. As the recipient of almost 90% of Iran’s crude oil, China knows this only too well. Which partly explains…
5 Mar 17 min
All episodes