The FoodMarble Aire 2 claims to be able to use breath-testing to track gut issues -- but does it really help track down gut ...

Carbon dioxide (CO2) is a major respiratory metabolite, and continuous monitoring of CO2 concentration in exhaled breath is ...

Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, ...

While some argue that natural gas can serve as a bridge from coal to cleaner sources of energy argue it only delays climate ...

Tom Cruise said he breathed his own carbon dioxide for the underwater stunt in Mission: Impossible - The Final Reckoning. The ...

Meet the woman who has revealed the bizarre way she manages to breathe – through her neck! Alli Robinson from birth has never ...