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Hace 3 horas · A new fossil of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-like beak, that was donated to a Chinese university came with a surprise - one revealed only ...
Hace 18 horas · On the other hand, the exposed bird skin, such as the skin on the feet, can contain abundant melanosomes. In some birds, such as the silkie chicken, the feathered skin appears black and contains abundant melanosomes in the dermis layer of the skin. This is because of genetic mutations and has occurred multiple times in bird evolution."
Hace 3 horas · Fascinating as these fossils are, ancient plumage tells only part of the story of feather evolution. The rest of the action happened in the skin. The skin of birds today is soft and evolved for ...
Hace 3 horas · "The evolution of feathers is associated with novel skin ultrastructures, but the fossil record of these changes is poor and thus the critical transition from scaled to feathered skin is poorly ...
Hace 18 horas · F T W M 0. El Evolution Mallorca International Film Festival (EMIFF) anunciará algunas novedades sobre su 13 edición, que será la más impactante hasta la fecha, en una recepción en el 77 ...
Hace 18 horas · Editor’s Choice articles are based on recommendations by the scientific editors of MDPI journals from around the world. Editors select a small number of articles recently published in the journal that they believe will be particularly interesting to readers, or important in the respective research area.
Hace 3 horas · May 21, 202408:00 PDT. A new fossil of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-like beak, that was donated to a Chinese university came with a surprise - one revealed only after scientists viewed it under ultraviolet light. It retained large patches of beautifully preserved skin, down to its cellular ...
