Decades ago, the Supreme Court said inmates who are intellectually disabled can't be executed. Now, it weighs the use of IQ tests in close calls.

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: f11photo / Shutterstock. Intelligence is a complicated trait to measure, shaped by an intricate interplay of ...

More than 20 years ago, the Supreme Court outlawed the execution of intellectually disabled people convicted of capital crimes as "cruel and unusual" punishment forbidden by the Eighth Amendment. In a ...

WASHINGTON (CN) — Two painstaking hours of arguments on Wednesday left the Supreme Court no closer to untangling whether an Alabama man’s intellectual disability should disqualify him for capital ...

WATCH OUR OTHER VIDEOS: Think You're Smart? The Ultimate List25 Trivia Challenge: 25 Signs Youre Smarter Than You Think: Stephen Hawking famously said, People who boast about their IQ are losers.