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.
Melanin in skin is produced by melanocytes, the cells that produce the pigment that gives skin its rich black or brown color. Among people of color, the levels of melanin in the skin ranges dramatically from person to person.elanin in skin is produced by melanocytes, the cells that produce the pigment that gives skin its rich black or brown color. Among people of color, the levels of melanin in the skin ranges dramatically from person to person.