Land use and zoonoses, California's earthquake risk and the Tuatara genome

BBC Inside Science

BBC

Technology, Science

4.5 • 1.3K Ratings

🗓️ 13 August 2020

⏱️ 28 minutes

🔗️ Recording | iTunes | RSS

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Summary

COVID19 is a chilling reminder of how pathogens from animals can jump into humans. But it’s not the first time. SARS, Ebola, West Nile virus and bubonic plague are all serious infectious diseases that sat in a host species before crossing to us. But what causes this to happen? Individual case studies suggest that we are partly to blame in the way we use the land, either through urbanisation or agriculture. But how widespread is this, and do our global patterns of land use systematically put us at risk? Adam talks to environmental biologist David Redding from the Zoological Society of London, and his team, whose new study suggests they do. Jessica Bradford, the Keeper of Collection Engagement at the Science Museum, asks for your help with another mystery object that they’ve uncovered during their recent collection move. Roland Pease reports on the chain of interconnected faults which has stimulated Los Angeles' preparation for “the big one”, after southern California was hit by one of the biggest earthquakes in the area for decades. Adam also asks Neil Gemmell from the University of Otago in New Zealand about the weird and wonderful Tuatara, whose colossal genome he’s just sequenced. Presenter: Adam Rutherford Producer: Beth Eastwood

Transcript

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0:31.4	BBC Sounds. Sounds. BBC Sounds, Music Radio Podcasts.
0:37.0	Hello You, this is the podcast of Inside Science,
0:39.0	first broadcast on the 13th of August 2020,
0:42.0	currently battling the heat wave. I'm an extremely hot Adam Rutherford.
0:47.2	Prophecies, mysteries and weirdness today rather like an old Arthur C. Clark program.
0:52.2	earthquakes are notoriously difficult to predict, and the San Andreas
0:55.9	Fulton, California has been rumbling recently.
0:58.8	So what does this mean for the long overdue big one?
1:02.2	We're following up on the science museum's mystery objects. Can you
1:05.2	help ID items from their collection that are all a bit enigmatic in the modern era? And we have
1:10.3	the genome of the tuatara, the last remaining species in a very ancient
1:15.3	branch of the reptiles. It looks a lot like a lizard, but it isn't a lizard, and it is super
1:20.2	weird. But first, COVID-19 is of course a chilling reminder of how pathogens can spill
1:26.0	over from animals into us. While this is the worst pandemic, certainly in my lifetime, it is by
	...

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