I refuse to believe that rainbows are the result of light
refracting through air-borne water droplets. Is this the thread
where be refuse to believe facts just because? Somebody Else's
Problem wrote: Well no, I'm not a geneticist. And I don't think
there'll be adequate DNA evidence from 40,000 years ago to make
such a comparison in the first place. See: Neanderthal Genome
Project Alvin Flummux wrote: Harry Bizzle wrote: I've read that
lactose tolerance developed within the last 10,000 years or so.
Interesting, I'd like to know more about this. Unsurprising,
considering the Neolithic Revolution occurred around 10,000
years ago. Up until that point, lactase production stopped once
individuals surpassed the weaning age and were no longer
drinking milk. Domestication of cattle, goats and camels allowed
neolithic humans to continue to drink milk without having to
suck on their mothers teats their entire lives. So lactase (the
enzyme that breaks lactose into glucose and galactose)
production continued into adulthoo