5 Stories

Advantage for Firstborn Kids Shows Up Early

They have higher IQs by age 1, say researchers

(Newser) - Firstborns really do have an advantage, a new UK study suggests. Research out of Edinburgh University finds that there's a measurable IQ difference between firstborns and their siblings, and it shows up as early as age 1, reports the BBC . The reason? Parents tend to spend more time with... More »

Men Aren't Smarter, But Think They Are

Women think men are brighter, too; tend to underplay own intellect

(Newser) - Men aren't any smarter than women, reveals a new analysis of several studies on IQ, but they think they are. The surprise is that women go along with it. In an interview with Newsweek, researcher Adrian Furnham said both sexes overestimate male intelligence and underestimate female intelligence. "It's what... More »

Breastfeeding Boosts Baby IQs

Common gene helps turn fatty acids in breast milk into brain nutrients

(Newser) - A gene found in 90% of the human race helps explain why breast-fed babies are more intelligent than infants raised on bottled milk, scientists have discovered. Researchers found that the IQs of children who had been breast fed were 6 to 7 points higher than bottle-fed babies—but only if... More »

How Firstborns Get Smarter

Family dynamics include labeling the oldest child as the 'responsible one'

(Newser) - In the wake of the study released last week on intelligence and birth order, parents and social scientists are scrambling to explain why firstborns score an average of three IQ points over subsequent children. Theories range from the role older children play as tutors to younger sibs to the notion... More »

Oldest Kids Take Lead in Sibling Rivalry

Firstborns have higher IQs than little brothers and sisters

(Newser) - Big siblings have long suspected it, and now science backs them up: Oldest children have slightly higher IQs than younger kids. Family dynamics, not biological factors, account for the 3-point discrepancy, which holds up for children who become the oldest after the firstborn dies. That tiny gap may mean the... More »

5 Stories