A study found that more than 20% of reusable water bottles contained coliform bacteria, or fecal matter. Here's the best way ...
In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world ...
Brown-colored water and notices of toxic bacteria in the water supply have left residents of a small Texas town gravely concerned for their health. Dozens of homes in Floresville, outside San ...