But didn't we already know that all Europeans (and everyone else in the world) are descended from Africans. Cosidering that's where the first humans where?
White People? Yeah, we're fukking mutants; an offshoot, a mere footnote in the history of mankind!
'S all good though 'cause I ended up with piercing green eyes and ~2% of the world's population has that trait although another Coli poster (black) does as well, looks crazy. To be more serious, white skin actually is a remarkably recent phenotypic variation in humans when you consider the dawn of behavioral modernity came 50,000 years back although when whiteness became widespread is difficult to pin down with any satisfactory scientific exactness (realistically 6,000-8,000 years ago).
Unlike physics and chemistry where everything is constant across space and time - i.e. any hydrogen atom is identical to any other in existence and they are the same now as they were billions of years ago - biology operates by very different rules in that aside from evolution being the underlying principle, there aren't very many unifying laws. The biggest issue is the gaps in the fossil record followed by the fact DNA has a half-life of 521 years before the nucleotides that form the backbone of it begin to break. NGS tech makes it far easier to sequence ancient genomes, but fragmentation and risk of contamination are still challenges.