Simon Conway Morris shows how animals became fossilised, speeding up the process using liquid nitrogen. Watch the full first lecture of the series: https://www.rigb.org/christmas-lectures/watch/1996/the-history-in-our-bones/staring-into-the-abyss?utm_source=youtube&utm_medium=social&utm_term=description Simon Conway Morris gave the 1996 Christmas Lectures "The History Of Our Bones" about the important role fossils and bones play in helping us understand the past. The first lecture "Staring Into The Abyss", where this clip is from, takes the audience through various skulls of animals from different eras and locations including the Tyrannosaurus rex, the sabre-toothed tiger and the horseshoe crab.