All of a sudden because they could talk about it...longer arrows came to be?? or sharper arrows came to be??
Just love these folks...They can say anything they want....AND GET MORE GRANT MONEY!!!!
LOL !
Nice display of ignorance, there...
Lithic technology is one of my specialties in archaeology. Try to teach someone how to make a Clovis point by only pointing and grunting.
Can't be done...