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In a week of exciting fossils finds we get up close to a 170 million year old pterosaur, found on the Isle of Skye. And over in the States, some fossilised fish hold the clue to what time of year the dinosaurs, along with three quarters of life on Earth, met their end. We hear from researcher Melanie During who tells us how growth patterns in sturgeons' bones reveal the season of this mass extinction.

Predictions for how our climate will change over the coming years are essential in setting and meeting emissions targets, however human behaviour is usually left out of climate model equations. Fran Moore and Katherine Lacasse explain why and how they factor public opinion, habits and political trends into their climate model.

And finally, why is it so important we clean up after our pets? Dog poo is incredibly nutrient rich, and Professor Pieter de Frenne has been looking into the surprising negative effect any waste left behind can have on woodland and nature reserves.

Presented by Marnie Chesterton
Producer Cathy Edwards
Assistant Producer Emily Bird

Made in association with The Open University