简介：AliceRobertsexploresthelatestdiscoveriesinthestudyofhumanorigins,revealingthetransformationthathasbeenbroughtaboutinthisfieldbygenetics. Traditionalpaleo-anthropology,basedonfossils,isbeingtransformedbyadvancedgenomesequencingtechniques.Wenowknowthattherewereatleastfourotherdistinctspeciesofhumanontheplanetatthesametimeasus-someofthemidentifiedfromastonishinglywell-preservedDNAextractedfrom50,000-year-oldbones,othershintedatbyarchaicsectionsofDNAhiddeninourmoderngenome.What'smore,wenowknowthatourancestorsmetandinteractedwiththeseotherhumans,inwaysthatstillhaveramificationstoday.Aliceusestheserevelationstoupdateourpictureofthehumanfamilytree.…