Birds of a feather flock together but strong pairing in geese has been shown to produce better breeding results, according to a new study. Focusing on a group of captive greylag geese, bird behaviour ...

An optical illusion is like a magic trick for our eyes, making us see things that aren’t really there or interpreting them in ...

Optical illusion tests have become popular for their ability to reveal hidden personality traits. Observing an image can ...

For some, the pursuit of happiness is a righteous one. For others, it may feel reckless. Here’s how the ‘fear of happiness’ ...