Eating nuts caused tooth decay in hunter-gatherers

Eating nuts and acorns may have helped hunter-gatherers survive 15,000 years ago in northern Africa but the practice wreaked havoc on their teeth, researchers said Monday.

This breathalyzer reveals signs of disease (w/ Video)

(Phys.org) -- This invention could give new meaning to the term "bad breath!" It's the Single Breath Disease Diagnostics Breathalyzer, and when you blow into it, you get tested for a biomarker—a sign of disease. As amazing ...

Bad breath fights monsters at Japan whacky tech fair

A monster-slaying bad breath blow gun, a rain-simulating "funbrella" and a navigation-aid helmet that steers users by pulling their ears: welcome to Japan's latest whacky inventions.

Sensor detects whiff of bad breath

Ever wish you could do a quick "breath check" before an important meeting or a big date? Now researchers, reporting in ACS' journal Analytical Chemistry, have developed a sensor that detects tiny amounts of hydrogen sulfide ...