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Bubonic plague infection causes tiny blood vessels in the hands and fingers to clog up and cut off circulation. Without blood, the flesh dies and turns black (called "gangrene"). This is why in the Middle Ages bubonic plague was called "the Black Death." In the 14th century it killed an estimated 25 million people, or 30–60% of the European population.

Pictures of Bubonic Plague

Bubonic plague infection causes tiny blood vessels in the hands and fingers to clog up and cut off circulation. Without blood, the flesh dies and turns black (called "gangrene"). This is why in the Middle Ages bubonic plague was called "the Black Death." In the 14th century it killed an estimated 25 million people, or 30–60% of the European population.

About 6,500 light-years away from Earth in the Taurus constellation, a cosmic heart pulses at a steady rhythm. But instead of the flesh and blood of a human body, the heartbeat of the Crab Nebula is powered by the ghastly remnants of a long-dead star.

Witness the cosmic heartbeat of the Crab Nebula

About 6,500 light-years away from Earth in the Taurus constellation, a cosmic heart pulses at a steady rhythm. But instead of the flesh and blood of a human body, the heartbeat of the Crab Nebula is powered by the ghastly remnants of a long-dead star.

Pictures of Bubonic Plague: Bubonic Plague Pictures: Foot Gangrene

Pictures of Bubonic Plague

Pictures of Bubonic Plague: Bubonic Plague Pictures: Foot Gangrene

Plague pit, London. Hundreds of thousands were buried in mass graves; often there were not enough left alive to bury the dead.  Probably buried in the plague in the 1300's or 1600's.  Some of these mass plague burial sites are still being discovered

Plague pit, London. Hundreds of thousands were buried in mass graves; often there were not enough left alive to bury the dead. Probably buried in the plague in the 1300's or 1600's. Some of these mass plague burial sites are still being discovered

Bubonic plague bacteria on part of the digestive system in a rat flea - B. Joseph Hinnebusch, Elizabeth Fischer and Austin Athman, National Institute of Allergy and Infectious Diseases, National Institutes of Health

Bubonic plague bacteria on part of the digestive system in a rat flea - B. Joseph Hinnebusch, Elizabeth Fischer and Austin Athman, National Institute of Allergy and Infectious Diseases, National Institutes of Health

During the Middle Ages a cross on the door informed others that inhabitants had developed symptoms of the Black Death.

During the Middle Ages a cross on the door informed others that inhabitants had developed symptoms of the Black Death.

A pair of Stephens' patent 1885 antique medical saddlebags with 28 original bottles.  The set was used by John Francis Duncan, M.D., of McShan, Alabama.  He was an 1878 graduate of the Medical College of Alabama.

A pair of Stephens' patent 1885 antique medical saddlebags with 28 original bottles. The set was used by John Francis Duncan, M.D., of McShan, Alabama. He was an 1878 graduate of the Medical College of Alabama.

Penshurst Place, Kent - the huge medieval Baron's Hall. This is where Anne of Cleves lived after annulment from her marriage to King Henry VIII. The original medieval house is one of the most complete examples of 14th-century domestic architecture in England surviving in its original location.

Penshurst Place, Kent - the huge medieval Baron's Hall. This is where Anne of Cleves lived after annulment from her marriage to King Henry VIII. The original medieval house is one of the most complete examples of 14th-century domestic architecture in England surviving in its original location.

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