Your search for "the sun" returned 2,247 results
Can the sun's energy be used to clean water? Learn about how the sun can clean water and the implications of this green innovation.
An electronic sun visor can block the sun's rays and keep you entertained at the same time. Learn all about electronic sun visors at HowStuffWorks.
Is there a safe amount of sun? Visit HowStuffWorks to learn if there is a safe amount of sun.
Does sun exposure heal acne? Visit HowStuffWorks to learn whether or not sun exposure heals acne.
Is it possible to be allergic to the sun? Find out if it is possible to be allergic to the sun at HowStuffWorks.
Why do freckles come out in the sun? Visit HowStuffWorks to learn why freckles come out in the sun.
How does the sun affect healing scars? Visit HowStuffWorks to find out how the sun affects healing scars.