It calculated breathing rate by measuring the amount of carbon dioxide exhaled with each breath.

ENGADGET: Researchers use wireless network to monitor breathing, could save lives

As I exhale under the water, I imagine all the stress of annoying family leaving me with each out-breath.

FORBES: Aging, Siblings, and The War in Families

When I sat down to meditate this morning, relaxing a little more with each out-breath, I was successful in letting all my concerns drift away.

FORBES: If You're Too Busy to Meditate, Read This

Once I got into the groove with my physical body, breath, and mind in tune with each other and my arms warmed up, I was able to hone in on arm and shoulder technique to make sure that they were getting maximum extension and rotation so that my stroke would be strong and efficient.

FORBES: How Cross-Training Can Make You A Better Swimmer: What Is The Best Technique Of Swimming The Crawl?

Just a few years ago, the twin blocs of countries in favour of and opposed to whaling slung verbal darts at each other all week long with barely a pause for breath.

BBC: Whaling: Voting, yes or no?

Beyond obvious mood spoilers such as poor hygiene and bad breath, we each have a distinct natural scent that appears to guide us toward choosing a partner with compatible DNA. Scientists have found that women prefer the scents of men with a complementary set of genes that code for the immune system.

CNN: The science of kissing