The story of humans' origins got a revision in 2017

Themba Hadebe/AP Scientists often presumed Homo sapiens emerged relatively quickly around a given time. Discoveries reported in 2017 point to an earlier evolutionary phase. Human origins are notoriously tough to pin down. Fossil and genetic studies in 2017 suggested a reason why: No clear starting time or location ever existed for our species. The first biological stirrings of humankind occurred at a time of evolutionary experimentation in the human genus,Homo. Homo sapiens’ signature skeletal...