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.
Thatâs why we feel pins and needles in our fingers and toes in extreme cold â the body is keeping its warm blood close to the centre, constricting blood supply in the outer regions such as the end of our limbs. In extreme cold, and especially if bare skin is open to the elements, this effect can end in frostbite.