Now, however, these ancient youths are revealing aspects of human evolution that had evaded scientists studying fossil elders from various Homo species, the first of which appeared around 2.5 million years ago.
(these ancient youths; are revealing; aspects of human evolution; T:Now) (human evolution; had evaded; scientists studying fossil elders from various Homo species) (scientists; studying; fossil elders from various Homo species) (fossil elders from various Homo species; appeared; T:around 2.5 million years ago)
these ancient youths human evolution scientists fossil elders from various Homo species
are revealing had evaded studying appeared
aspects of human evolution T:Now
scientists studying fossil elders from various Homo species
fossil elders from various Homo species
T:around 2.5 million years ago