Readers with high IQ can spot the rocket in the jungle in 5 seconds. Are you one of them? Test your intelligence now!

The challenge here is to solve the math puzzle in 7 seconds. This math puzzle will test your intelligence and analytical ...

THIS bike brain teaser will leave you scratching your head as you try to find the bell hidden amongst the bicycles. Everyone can see the several coloured bikes in the colourful teaser, but only ...

In Charles Baxter's new novel, a small-town insurance salesman buys a blood test that can predict romantic entanglements, ...

Heliospect Genomics, a U.S. startup, offers wealthy couples embryo screening for IQ and other traits, costing up to $50,000.

Differences in intelligence are influenced in part by genetics. But how much can genetics really tell us, and how can we best ...

THIS mind-boggling optical illusion has puzzle fanatics stumped and struggling to find the answer – but do you have what it ...

This optical illusion challenge tests your IQ and observational skills. The task is to find a hidden cat in an image within ...

Donald Trump inadvertently admitted that he doesn't know the presidential line of succession, which is among the questions on the U.S. Citizenship and Immigration test required of all people ...

The decision is sure to invite further scrutiny of the contested science behind it — and of the highly unusual legal process that could transform a flagship public health practice. Many experts ...

An IQ test features a picture puzzle where readers identify the boss among three men in 5 seconds, testing critical thinking ...