Questions with the keyword 'thumb'

• why do monkeys not have the same movment in their thumbs as humans? if we didn’t have that movment how would it affect by alex12345 to Tim Comments: (No comments so far )
• is it true that children’s thumbs are more developed than adult’s because we text so much? by marybarry to Damien, Suzi, Tim Comments: (No comments so far )