This year, evolutionary biologists figured out the mode and tempo of this spectacular evolutionary transition. (sciencemag.org)
The type of functional flexibility they observed in bonobos could represent an important evolutionary transition from functionally fixed animal vocalisations towards flexible human vocalisations, which seems to have appeared some 6 - 10 million years ago in the shared common ancestor between humans and great apes. (sciencedaily.com)
The distinctly human ability for forceful precision (e.g. when turning a key) and power «squeeze» gripping (e.g. when using a hammer) is linked to two key evolutionary transitions in hand use: a reduction in arboreal climbing and the manufacture and use of stone tools. (sciencedaily.com)