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U.S. Surgeons Perform First Ever Pig-to-Human Heart Transplant

US surgeons have successfully transplanted a heart from a genetically modified pig into a human, the University of Maryland Medical School announced in a statement on Monday. The historic procedure, which took place last Friday, represents a major milestone for animal...

5.7-Million-Year-Old Human Footprints Found in Crete, Greece

  *By Matthew Robert Bennett, Bournemouth University and Per Ahlberg, Uppsala University The human foot is distinctive. Our five toes lack claws, we normally present the sole of our foot flat to the ground, and our first and second toes are...