Key Takeaways
Dr. Zbigniew Religa performed a 23-hour heart transplant in Zabrze, Poland in 1987.
The patient, Tadeusz Zhitkevich, lived 30 more years after being told...
The Roman Empire, with its vast territory and diverse peoples, offered a cosmopolitan ancient world that fostered travel, adventure, and cultural exchange. In this...
Key Takeaways
China’s one-child policy led to a severe gender imbalance, leaving tens of millions of Chinese men without prospective wives in their own country....
