Featured in iq
Leaded gas may have lowered the IQ of 170 million US adults
Lead, a neurotoxin, can cause long-lasting harms.
Want to take a Mensa intelligence test? Here are four practice questions
The society is open only to people who score in the 98th percentile or higher on a preapproved intelligence test.
IQ is a really stupid concept
It's stacked against most of the world.
The devastating effects of childhood lead exposure could last a lifetime
Even moderate exposure might lower IQ
Strong Link Established Between Trust and Intelligence
If you don't trust this study's conclusions, you must not be smart. (Joking.)
The Best Way to Measure Intelligence Could Be Brain Imaging
There are a lot of hurdles to accurately predicting intelligence, from the difficulty of defining exactly what it is to...
PopSci.com and Lumosity team up to train your brain