Batteries will work for a day or so but if you need to use the radio for many days you would have to carry a lot of batteries with you and the cost can be very high. Also, there are people that live in areas where power is never available and they do not have an endless supply of batteries.e tried 2 different makes of radio rated at 6 DC volts and both worked well. You can find these types of radios for less than $10 in chain pharmacy's and discount stores. You might have to get one and just try it with a closley matched solar panel.
Melanin also provides essential protection from ultraviolet rays. If you stood at the shoulder of a doctor examining someone with albinism, you'd find that most everything -- the brain (except for vision centers), heart, lungs, digestive system, muscles and immune system -- looked healthy.
Variation in genes and skin color. One gene responsible for the production of melanin pigment is SLC24A5. It is found that there are two variations of SLC24A5: 1) One variation is with the amino acid called threonine, which is responsible for the light color of the skin.he pigment that gives color to your skin is melanin. It is also responsible for the color of your eyes. Melanin protects our skin from harmful ultraviolet radiation of the sun by absorbing the rays. More melanin pigment is produced by people with dark skin as compared to light skinned persons.