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Darwin's Pet Bug
- Charles Darwin kept a kissing bug as a pet, observing its blood-feeding habits.
- He documented its four-month survival on a single blood meal, contributing to his research.
Blood's Nutritional Value
- Blood is a surprisingly poor nutritional source, lacking essential B vitamins.
- Blood-feeding creatures often rely on specialized bacteria or tissues to compensate for these deficiencies.
The Exorcist's Legacy
- The boy who inspired "The Exorcist" became a NASA engineer, contributing to the Apollo missions.
- He remained intensely private about his connection to the story, finding it embarrassing.