Test your 140+ IQ level with this fun brain teaser! Find the odd number hidden in the '256' sequence series within 11 seconds to boost your observation and thinking skills.

This visually confusing challenge hides the number 52 among many 57s—and only those with superior focus and perception can find it. If your IQ is 110 or above, this puzzle should be a breeze ...

Optical illusions are a great way to examine your vision and put your observation abilities to the test. One challenge that is popular right now tests your abilities to locate the number 7F8 concealed ...

The completed Allen Telescope Array (ATA) is intended to consist of approximately 350 6.1 meter offset Gregorian dishes at the Hat Creek Radio Observatory site in northern California. Given the number ...

While you can pick up the very basics of JavaScript in a day, becoming truly good at it takes much longer. Think of it like ...