Carol Jahme writes:
Ten years after he published On the Origin of Species in 1859, Darwin started to research the sexual selection of blonde hair in women in preparation for his book The Descent of Man and Selection in Relation to Sex, which was published in 1871. Unfortunately he was unable to find enough data to support his theory that blonde hair is sexually selected and had to drop the subject.
She gives an explanation for why men are attracted to blonde hair and writes about women wanting to get their share of the meat.
Interesting stuff, but note the fine print at the end of her article: “Carole is UK-based and as such any advice she gives is intended for a UK audience only.”