animal diseases

  • Scientists Say They have Found the Earliest Case of the Plague Yet

    Scientists Say They have Found the Earliest Case of the Plague Yet

    The skull of a hunter-gatherer who lived in Europe over 5,000 years ago contains the oldest known traces of the bacteria responsible for causing the plague, according to a new study. The discovery is likely to yield some important clues as to the origins and evolution of this long-time germ foe, which has been responsible…