The paint began peeling off the bottom of the reflecting pool just days after renovations. Hydrogen peroxide used to treat algae may be the culprit.

That trusty bottle of hydrogen peroxide under the bathroom sink can be used to clean and disinfect more than just cuts.

When water is split electrolytically, the result is typically hydrogen -- and 'useless' oxygen. Instead of oxygen, you can also produce hydrogen peroxide, which is required for many branches of industry. This, however, requires certain reaction conditions.