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The prickly pear is the fruit of a robust shrub of the cactus family. Ovoid in shape it has a thorny outer skin that needs to be carefully peeled using gloves to avoid having one’s hands covered with fine thorns. After 1878 it was cultivated in…

The first human kidney transplant was performed by a Dr. Joseph Murray in 1954 and the recipient went on to live for eight years. In due course the doctor won the Nobel Prize for his work. The first heart transplant was performed by Dr. Christiaan…