A new study challenges previous work that found a link between marijuana use and lower IQ, but the authors of the original …
IQ
Motivation, Not IQ, Matters Most for Learning New Math Skills
Part of our math skills are innate, but a larger part isn’t
Does Marijuana Use by Teens Really Cause a Drop in IQ?
A new study suggests marijuana use could have an impact on American teens’ IQ, but how great is the effect?
Family MattersInfancy
Want a Brighter Baby? Feed on Demand, Not on a Schedule
Moms may be surlier, but babies do better academically when they’re fed on demand rather than on a schedule.
How Small Groups Sap Intelligence — Especially in Women
There’s a reason the term “designed by committee” is not a compliment.
Being Born Premature May Hurt Your IQ
Premature birth can be risky, to both mom and baby, but thanks to modern medicine, most preemies can be nurtured into a healthier and stronger state after a few weeks in neonatal intensive care. Still, even among babies who …
Why Kids With High IQs Are More Likely to Take Drugs
People with high IQs are more likely to smoke marijuana and take other illegal drugs, compared with those who score lower on intelligence tests, according to a new study from the U.K.
Teens’ IQ May Rise or Fall Over Time
The brain undergoes more change in adolescence than at any other time of life, save before birth and during infancy. That may help explain why teenagers’ IQ can fluctuate significantly over time, as a new study finds, registering …
How Brain Training Can Boost Intelligence
Could a simple memory workout make you smarter? An intriguing new study by researchers at the University of Michigan suggests it can — a finding that adds a wrinkle to the prevailing notion that IQ is largely fixed by genes.
Exposure to Pesticides in Pregnancy Can Lower Children’s IQ
Moms-to-be have a lot to worry about while they’re expecting, especially since everything they’re exposed to has a chance of affecting their developing baby.
Toddlers’ Junk-Food Diet May Lead to Lower IQ
The human brain develops rapidly in early life — transforming helpless infants into walking, door-opening, question-asking, willful little people. And now a new study suggests that a toddler’s diet may have some impact on his …
Forget IQ: The Emerging Science of Collective Intelligence
Assembling teams is an art, one that involves intuitive thinking and — let’s face it — a lot of guesswork. A new study, however, is transforming this critical task into a science.
