[ad_1] Photo: J Zhang / TT For the first time, fossils of one of the oldest birds have been found with preserved lungs. The fossil is 120 million years old. Chinese scientists …
Read More »The lungs of Urgamla were like new
[ad_1] Photo: J Zhang / TT For the first time, fossils of one of the oldest birds have been found with preserved lungs. The fossil is 120 million years old. Chinese scientists …
Read More »