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Factual: Science & Nature

Factual: Science & Nature: Science & Technology

Answering your questions about life, Earth and the universe

We take your questions about life, Earth and the universe to researchers hunting for answers at the frontiers of knowledge.

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CrowdScience: Could we survive an extinction event?

Discussion & Talk

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Could we survive an extinction event?

BBC World Service - CrowdScience, Could we survive an extinction event?

Are humans capable of outwitting asteroids, volcanoes or other causes of mass extinction?

Super-sized volcanic eruptions and giant asteroids crashing in from outer space are the stuff of disaster movies. They have listener Santosh from South Africa slightly concerned. He’d like to know what’s being done in real life to prepare for this kind of event.  
 
Although the chance of these events occurring is low, Santosh isn’t entirely wrong to be worried: Earth has a much longer history than humans do, and there’s evidence that several past extinction events millions of years ago wiped out the dominant species on the planet at the time, as we’ve heard before on CrowdScience. The kind of extraordinary geological and extra-terrestrial hazards thought to be responsible for the death of millions of lives do still exist. So is there really any way that humans could survive where the dinosaurs – and plenty of other species – have failed? 
 
Presenter Marnie Chesterton finds out by meeting experts who are already preparing for the remote but real possibility of the biggest disaster we could face. It turns out that in real life most things we can think of which could cause an extinction event are being watched closely by scientists and governmental agencies. How worried we should really be by the possibility of a sudden super-volcanic eruption at Yellowstone in the USA, or one of the other enormous volcanoes dotting our planet’s surface? Marnie heads into an underground bunker near the remote Scottish coast to find out if hiding out is a viable survival option. Now a museum, Scotland’s Secret Bunker, formerly RAF Troywood, is one of a network of nuclear shelters built by nation states during the Cold War. And she hears about one of the combined space agencies most ambitious projects yet: NASA and ESA’s Asteroid Impact and Deflection Assessment mission to crash an impactor into an asteroid’s moon to find out whether we could knock any potentially problematic collisions off-course well before Earth impact.

Produced by Jennifer Whyntie for BBC World Service


(Photo: Post apocalypse sole survivor. Credit: Getty Images)

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