Early humans were likely to have been more competitive and promiscuous than we are today.
That's the conclusion of a study that looked at the fossilised finger bones of extinct apes and hominins - extinct members of the human lineage.
The study showed they were exposed to higher levels of androgen hormones in the womb.
Focus magazine, January 2011, p. 22
Exactly what that means I am unsure, but I believe the scientists.
Posts
