Author: Bruno A

  • Dinosaur Extinction: The Day The Mesozoic Died

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    Bruno A
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    We’ve all heard of dinosaurs and their history. Fantastic creatures that dominated our planet for over 180 million years. But now, we only have their shadows, only their fossils. In this article we’ll look at the whole extinction of non-avian dinosaurs. We’ll analyze what happened that day, why we think it happened. We’ll also look…

  • Anole Ecomorphs: A Curious Evolution Case

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    Bruno A
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    The Anolis ecomorphs are an interesting case of evolution. Several different but morphologically similar species are found on different islands in the Caribbean. So big questions arise from this panorama: did the species evolve once and then end up on the islands somehow? Or did the species evolve independently on each of the islands? That’s…

  • Auricle: Only Mammals Have It?

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    Bruno A
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    Only Mammals Have Ears? Yes, only mammals have this characteristic. When I refer to ears, I mean the whole external structure of our ear, this part is called auricle. Not all of them, but most mammals have it, just look at them when you leave your house! A vast majority of terrestrial mammals do have…