Microbial deterioration of archeological marble was studied on samples taken from three locations in Cairo, Egypt; Mohamed Ali palace, El-Ghory Mosque and Mosque of El-Kady Abdel-Baset.
If you are outside in extreme cold weather and you have cold hands, you should watch for warning signs of frostbite. Other signs and symptoms to watch for when you have cold hands include: 1  Cold feet or toes.  Changes to the color of the skin on your hands, such as blue or white skin.
Frostbite develops when the fluid inside skin and tissue cells freezes and crystallizes. This blocks the blood flowing to the area, causing tissue damage. Frostbite can occur in the feet, toes, nose, ears, hands, and fingers. During its early stages, the skin will turn red and it will sting, burn, or feel cold. As time passes, the skin may discolor to a yellowish gray or white, and it may turn waxy. It may also throb, swell, or become numb.