I just want to say I've been enjoying this series by Alice Roberts very much:
http://www.bbc.co.uk/iplayer/episode/b00ks641/The_Incredible_Human_Journey_Europe/
It's full of Speculation but at least it isn't done in that infuriating dumbed-down way of repeating everything every two minutes.
She gets all over the world, the lucky cow. Yesterday she was looking at those amazing cave paintings at Pech Merle (with spotty horses and the head of the horse the shape of the rock, if you know what I mean).
She was also talking about how Homo sapiens ousted the Neanderthals (I wasn't convinced as to why). She said no-one's related to Neanderthals, but I reckon she's not taken any genetic samples down the Lamb and Lion on a Saturday night.
Also last weeks was extremely interesting, because it was about how the Chinese education system teaches everyone to believe that they are decended from a different line of the human race - that they're not related to the rest of us. Very Eminent scholars believe this too (though with the genetic evidence they're on the thinnest of ice today). It was interesting to see how everyone in the world thinks they're special and superior to everyone else - god knows the Europeans went round justifying their exceptionally poor colonial behaviour for long enough by trying to find Scientific reasons why everyone else was semi-human.
Anyway I think it's very interesting, and she's an engaging presenter. Regrettably they insist on subtitling "foreigners" who are speaking perfectly intelligible English, which is really patronising... and there's the Speculation insinuated as Fact... but apart from that...