Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

True evaluation means testing AIs in full, multi-turn conversations to see if they deliver a seamless, consistent experience ...

If you routinely crush logic puzzles, always know the answer to Final Jeopardy questions and feel like you just see patterns ...

Test your English grammar and vocabulary with 30 questions ranging from A1 to C1 levels. Improve your skills in sentence ...

Inspired by the passionate response to the semicolon’s supposed decline, this quiz invites you to test – and perhaps rediscover – your grasp of English grammar, from the basics to the ...

A reasoning engine infers logical consequences from a set of fixed axioms and observations. However, before it can make an inference, it must compile the axioms and observations which are given in a ...

Need new glasses? Online eye exams and vision tests offer a convenient way to get a glasses prescription. Doctors explain whether these services are worth trying.

AI models flunk language test that takes grammar out of the equation In a new study, the models made sense of words that shouldn’t make much sense, like “ball beach” and “ball red” ...

A seemingly innocent grammar question aimed at 11-year-old school children has sparked a surprising amount of attention online. Bad grammar isn't just a minor annoyance, it can actually be bad for ...

None. (TOEFL 450 level, or equivalent recommended). Course start date: If you are a: Self-funded student: register by the 10th of the month, start on the 1st of the next. Funded student: please check ...

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