The famous quote, often linked to Albert Einstein, talks about how humans see themselves as separate from everything else.

An optical illusion apparently determines whether you're positive or prefer keep your distance – so what will you see when ...

A tricky riddle has left people scratching their heads, but the answer is actually very simple - and is staring you in the ...

This riddle may seem impossible to solve – but if you spot the clue hiding inside the question, you're bound to get it ...