porphyria: (noun) A group of rare, inherited disorders characterized by the abnormal buildup of chemicals called porphyrins i
Chapter 1

The biological roots of the vampire

Chapter 2

The history and science of werewolves

Chapter 3

The colonial origins of the zombie

Chapter 4

The deep-sea roots of ocean monsters

YOUR GOAL

Master of The origins of monster legends

Ch 1 · The biological roots of the vampire
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renaissanceman Biological Roots of Vampires

They thought a monster was stealing their breath—(it was TB!) / Oh, it was only disease—(only TB!)

Jul 22

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renaissanceman Rabies and the vampire panic

Jul 22

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Rabies and the vampire panic

renaissanceman A historic rabies outbreak in the 1700s fueled terrifying vampire rumors.

Jul 22

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The medical mystery of porphyria

renaissanceman A rare genetic blood disorder explains why legendary vampires fear the sunlight.

Jul 22

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Fangs and Facts
BETA

renaissanceman Sort ancient myths and medical facts to discover the real origins of history's scariest monsters.

Jul 22

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Fun Fact

Vampire bats: Vampire bats were named after the mythical monsters, not the other way around.

Jul 22

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Glossary
porphyria (noun)
A group of rare, inherited disorders characterized by the abnormal buildup of chemicals called porphyrins in the body, often causing skin sensitivity to sunlight. In 1985, biochemist David Dolphin proposed that this metabolic condition inspired European myths about vampires.

Jul 22

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Gossip

Which vampire superpower would you choose?

Jul 22

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Quiz

Which viral disease epidemic in 1720s Eastern Europe contributed to vampire folklore?

Jul 22

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renaissanceman The medical mystery of porphyria

Jul 22

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Quiz

In what year did Bram Stoker publish his famous gothic novel Dracula?

Jul 22

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renaissanceman Vlad the Impaler's real legacy

Jul 22

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Quiz

In 1892, which Rhode Island girl's grave was exhumed during the New England vampire panic?

Jul 22

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renaissanceman The New England vampire panic

Jul 22

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Quiz

What infectious lung disease was mistaken for vampirism in 19th-century America?

Jul 22

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Quiz

Before vampire bats were discovered by Europeans, where did the word 'vampire' originate?

Jul 22

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Quiz

Which Romanian region is historically associated with the home of Vlad the Impaler?

Jul 22

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Quiz

Which historical ruler inspired Bram Stoker's 1897 novel Dracula?

Jul 22

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Quiz

What genetic blood disorder causes extreme sunlight sensitivity and receding gums?

Jul 22