IQ

First born children have higher IQs than their siblings, study finds

First born children have higher IQs than their siblings, study finds

Family dynamics

First born children have higher IQs than their siblings, study finds

By HerFamily

First born children have higher IQs than their siblings, study finds

First born children have higher IQs than their siblings, study finds

Family dynamics

First born children have higher IQs than their siblings, study finds

By Charlie Herbert

First born children have higher IQs than their siblings, study finds

First born children have higher IQs than their siblings, study finds

Family dynamics

First born children have higher IQs than their siblings, study finds

By Charlie Herbert

Research shows that children inherit intelligence from their mothers

Research shows that children inherit intelligence from their mothers

Health

Research shows that children inherit intelligence from their mothers

By Trine Jensen-Burke

It’s Official: First-Born Children ARE Smarter Than Their Siblings

It’s Official: First-Born Children ARE Smarter Than Their Siblings

News

It’s Official: First-Born Children ARE Smarter Than Their Siblings

By Katie Mythen-Lynch