How does bleach remove color?

What exactly is a swamp cooler, and why can it beat the heat in Arizona but leave you sweaty and betrayed in Houston? How can an air conditioner run on water, what does humidity have to do with its effectiveness, and could an icy new invention help prevent overloaded power grids? ...  Show more

Could a cheaper, more environmentally friendly refrigerant already exist, and could corporate lobbying be helping keep it out of American air conditioners? Why did the chemicals once hailed as safe alternatives become environmental villains, and are their replacements actually mu ...  Show more

When you buy a gallon of bleach at the grocery store, what are you actually purchasing? Check out this HowStuffWorks podcast to learn more about bleach, chlorine and the chemical reactions behind these products.

Have you ever wondered why waterfalls appear white when still water is transparent? Why clouds, or snow, appear white when they too are essentially just water molecules in different states? What makes something white, opaque or transparent? These are the questions CrowdScience ...

Send us Fan MailOn today’s show we are going to answer questions about…Do allergens last through soap reactions?What is CBD doing in my adult product?Is this DIY Vitamin C recipe worth all the hype?Beauty Science NewsUnilever to axe petrochemicals from it’s entire cleaning rangeA ...  Show more

Send us Fan MailOn today’s show we answer questions about:What is hexylresorcinol doing in your skin care?How should you treat highlighted hair that’s getting crispy?Can you use benzoyl peroxide on your underarms?What’s the deal with sunscreens, do they really stop working?Is it ...  Show more