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	Podcast:		Science in Action
	Episode:		Covid and clean air
	Category:		Religion & Spirituality
	Duration:		00:31:57
	Publish Date:		2021-05-13 20:00:00
	Description:		We wouldn’t drink dirty water so why do we put up with polluted air? Researchers are calling for a major rethink on our attitude to air quality. Professor Lidia Morawska, from the Queensland University of Technology, says attention to air quality during the Covid pandemic has shown how levels of airborne disease can be reduced. Sam Wilson from the UK Medical Research Council, University of Glasgow Centre for Virus Research has been investigating genetic mechanisms associated with susceptibility to Covid infection. His team has identified a molecule that detects SARS-COV-2 when it starts to replicate in our cells. However, not all humans have this protective mechanism, which may help explain why some people become very ill with Covid and others have little if any symptoms. Many Europeans lack this protective molecule, whereas the vast majority of Africans have it. The difference can be seen in cell cultures. However, the lack of diversity in the cells used in experiments worldwide can be a serious problem when looking at genetic differences as Samara Linton reports. Nuclear material buried beneath the doomed Chernobyl nuclear power plant is becoming more active Neil Hyatt Professor of Nuclear Materials Chemistry at Sheffield University says it’s a small increase but needs to be monitored. (Photo by Sean Gallup/Getty Images) Presenter: Roland Pease Producer: Alex Mansfield
	Total Play:		0