But every new discovery adds a pixel to that every growing image.Ī recent discovery from a fossil bed in Brazil now adds information which not only fills a gap in our knowledge but changes the way we understand the evolution of a subset of dinosaurs, and it all comes down to their teeth, or the lack thereof. The nature of the fossil record - that so many of the plants and animals which have lived and died over the last few billion years should be lost to history - means that our knowledge is necessarily incomplete. Every new fossil found tells us not just about that individual animal, or even that animal’s species, but about the story of life on our planet. Every time we dig into the earth looking for bones, we peer into our own past.
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