Test your Matrix-Level Vision with this village scene optical illusion. Only 1% can find all hidden hearts within 9 seconds. Sharpen your IQ and observation skills!
Test your IQ with this tricky brain teaser! Spot the inverted '56' and '68' hidden among the '65' sequence series within 11 seconds.
Critics of video gamers, Netflix fanatics and social media mavens, rejoice: There's mounting evidence that Western IQ scores are on the decline, and media exposure might be to blame. A Norwegian study ...
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