Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic ...

It has been decades since we received the astonishing news that dinosaurs – some of the largest and most fearsome creatures ever to have roamed our Earth – were actually covered in feathers. But ...

Scales, spines, feathers and hair are examples of vertebrate skin appendages, which constitute a remarkably diverse group of micro-organs. Despite their natural multitude of forms, these appendages ...