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... the rapid spread of a gene which lets us reap the benefits of milk shows evolution in action. ... In order to digest milk, adult humans need to have a gene which produces an enzyme called lactase to break down lactose, one of the main sugars it contains. Without it, a drink of milk proves an uncomfortable experience, causing bloating, stomach cramps and diarrhoea. Today, more than 90% of people of northern European origin have the gene.


 human evolution milk digestion
Super článok, resp. téma. Stále premýšľam - nebolo by úžasné, keby sa raz zistilo, že nejakí neandertálci prežili až do historických čias a sú to obri a lesní ľudia, ktorých poznáme z rozprávok a povestí? Ale vlastne už 24 tisíc rokov dozadu nie je tak veľa, že. Tomáš J. Fülöpp


 human evolution Neanderthal climate extinction
Evidence is emerging from Africa that colours were being used in a symbolic way perhaps 200,000 years ago. ... Being able to conceptualise - the ability to let one thing represent another - was a giant leap in human evolution. ... Colour symbolism is an abstraction and we cannot work this abstraction without language.


 human evolution symbol art colour Africa
Scientists say they have discovered a gene sequence which appears to play a central role in giving humans their unique brain capacity.


 human evolution