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Patagotitan: Giant dinosaur was 'huge fermentation tank on legs'

A cast of what was one of the biggest animals ever to walk the Earth is now on show at the Natural History Museum in London. Patagotitan was a dinosaur that lived 100 million years ago in South America. Measuring some 37m (121ft) from nose to tail, the beast could have weighed up to 60 or 70 tonnes in life. Prof Paul Barrett spoke with our science correspondent Jonathan Amos.

Read more: Gigantic dinosaur skeleton on show in London

29 March 2023

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