A 'smiley face' has been discovered on the surface of ... An Instagram post from ESA said: "Once a world of rivers, lakes, and possibly oceans, Mars now reveals its secrets through chloride ...

Of the six billion emoji that are sent globally every day, around 70% are emotion based – for example, smiley face, love hearts. A smaller proportion of the emoji sent are sad expressions.

A ‘smiley face’ has been discovered on Mars- and scientists ... In a caption accompanying the face, the ESA said: ‘Once a ...

How a simple line drawing of a smiley face became a global shorthand for brands to connect ... A simple mantra launched the brand to the world: ‘Take the Time to Smile’. “Back then, this was meant in ...

Challenge your observation skills with an optical illusion that hides a smiley face among a treasure box, a magic lamp, and an hourglass. Test your attention to detail and cognitive processing by ...