herhandsmyhands, 
Being a voracious reader of a certain age, I was reading Jean M. Auel's Earth's Children novels back in the early 1980s, as they were being published.
So I've been familiar with the whole "modern humans interbred with Neanderthals at various times" thing.
This "Neanderthals were smarter than us" take here is new to me; food for thought, but at first read I'm very much not convinced.