Paleontologist and professor at University of Edinburgh, dinosaur enthusiast and writer. Free born man of the USA. Immigrant. Husband & father. (views mine)
Say you're a kid, out for a walk, you find what you think might be a dinosaur footprint! Exciting!
How should you identify it? You can use our new AI app DinoTracker!
And here we explain to the young scientists out there at BBC Newsround:
www.bbc.co.uk/newsround/ar...
