puffing

The new observations reveal a star puffing out gas and dust, in the last stages before it becomes a supernova.

In an open-air, bustling café in Nasr City in Cairo, dozens of newly arrived refugees huddle in small groups, puffing on hookahs, sharing stories about their homeland.

Huffing and puffing uphill on a rickety old bike towards the job centre.

"Mr Keane was puffing his cheeks out. He was right up against the glass. He was banging on the window," he told the court.

The species as a whole has a variety of defensive techniques, including biting, puffing up and flattening their heads to look like a venomous snake.