People who are exposed to very cold temperatures, such as mountaineers, are often at risk of experiencing frostbite — an injury caused by the formation of ice crystals in the skin. Many inhabited places in the world with extremely cold temperatures are also remote, meaning that someone Read More...
After organs are harvested following a donor’s death, there’s a very short window of time in which the transplant can be made. Livers, for example, can only be kept outside of the body for nine hours before irreparable damage is done, and the organ must be discarded. This is because freezing Read More...