The Colorado River irrigates farms, powers electric grids and provides drinking water to 40 million people. But as its supply dwindles, a crisis looms.

After testing 13 water flossers over the last two-plus years, we found that the Waterpik Aquarius is the best water flosser overall.

Concrete stain comes in two forms: acid- or water-based. Acid reacts with the concrete to produce a mottled effect that can look fabulous but is hard to control.

To treat a water-based stain, mix the baking soda with a small amount of hydrogen peroxide to form a paste. For an oil-based stain, mix the baking soda with water to form a paste.

Eutrophication is a leading cause of impairment of many freshwater and coastal marine ecosystems in the world. Why should we worry about eutrophication and how is this problem managed?

Cleaning inside your anus requires a gentle process with lubrication. Learn anal hygiene and how to clean the inside of your butt.

Vinegar is a nontoxic, eco-friendly, multipurpose cleaning solution. Learn what type of vinegar can be used to clean and disinfect your home.

Persistent Pollutants A guide to the PFAS found in our environment Chemical structures and origins of per- and polyfluoroalkyl substances that are polluting our world A class of synthetic ...

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