"If you turn the experiment around and put the hydrogen and oxygen in and take the electricity off, you have a fuel cell, " Roan said.

CNN: Bus showcases fuel cell technology

She'll also take a leading role in an ongoing Oxygen survey that examines how women view politics, the financial world, their roles in society, their personal lives and the new media.

FORBES: The convergence gamble

As the body notices that it needs oxygen, it tries to take in a large amount of air, causing a gasping, snoring or snorting sound.

CNN: How can someone stop or reduce snoring?

In this week's test, examiners set ablaze five boxes containing about 250 oxygen canisters swathed in bubble wrapper to determine how long it would take the fire to spread.

CNN: In other news ...

"The idea is that the oxygen will help Josh improve further and we'll take toys and a CD player in there to entertain him, " said Mrs Clark.

BBC: Stem cell appeal reaches target