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How do the chemical ghosts of dinosaurs help their preservation?

This was originally posted at: http://blogs.egu.eu/palaeoblog/?p=1093 For some years now, Mary Schweitzer and her team have been researching the idea that organic molecules can be preserved for millions of years, specifically within dinosaurs. They have used a plethora of chemical and biotechnological techniques to demonstrate that, within animals like Tyrannosaurus rex, it is possible to find […]

It's just a flesh wound!

This was originally posted at: http://blogs.egu.eu/palaeoblog/2013/02/18/its-just-a-flesh-wound/ Fossils, as we typically think about them, tell us about the death of an animal. The teeth, bones, shells, fragmented pseudopods and other weird and wonderful bits of carcass all only ever reflect one thing: a permanent geological limbo. These types of fossil are known as body fossils. The other […]

Eat your greens, and you'll grow up to be a big dinosaur

What comes to your mind when someone says ‘theropod dinosaurs’ to you? Does the mind conjour images of Tyrannosaurus rex noshing on lawyers, packs of voracious Deinonychus ambushing unsuspecting ornithopods, or perhaps you’re quite progressive and thought about flocks of birds migrating south for the winter. Sticking strictly to the Mesozoic (before 65.5 million years […]