Palantir CEO Alex Karp is known for his outspokenness. But it's the simplest of questions that might be behind the company's ...

Spot the hidden Lady Face among squirrels in this stunning optical illusion. Test your IQ, vision, and observation skills ...

Test your perception by finding the hidden cat in this decaying tree trunk optical illusion. A challenging visual puzzle designed to measure sharp observation and IQ.

Interactive platforms like Codecademy and Dataquest.io let you learn and code right in your browser, making python online ...