CHONGQING (CQNEWS) -- In the early spring, thousands of trees of chimonanthus praecox flowers are in full bloom on the cliff walls at the City Grand Canyon in Qianjiang, forming an attractive and ...
The Australian brook lamprey (Mordacia praecox) is part of a group of primitive jawless fish. It's up to 15 cm long, with rows of sharp teeth. Surprisingly, it doesn't use these teeth to suck ...