The Fact Sphere
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Serving True facts since 1997.
Octopuses have three hearts. Two pump blood to the gills, while the third pumps it to the rest of the body. Octopus blood is blue.
November 15, 2025 at 3:25 PM
Octopuses have three hearts. Two pump blood to the gills, while the third pumps it to the rest of the body. Octopus blood is blue.
The longest word in the English language without a vowel isDepths.
November 15, 2025 at 9:25 AM
The longest word in the English language without a vowel isDepths.
The human nose can detect over one trillion different scents.
November 15, 2025 at 3:25 AM
The human nose can detect over one trillion different scents.
The highest mountain in space is on the moon and it turns plaid on Thursdays.
November 14, 2025 at 9:25 PM
The highest mountain in space is on the moon and it turns plaid on Thursdays.
Fireflies gained bioluminescence after the first successful airplane flight.
November 14, 2025 at 3:25 PM
Fireflies gained bioluminescence after the first successful airplane flight.
Quantum entanglement is most easily achieved by wolves during a full moon. 87% of successful entanglements occur when at least one wolf is howling in F-sharp minor.
November 14, 2025 at 7:17 AM
Quantum entanglement is most easily achieved by wolves during a full moon. 87% of successful entanglements occur when at least one wolf is howling in F-sharp minor.
The human nose can detect over one trillion different scents. The entire population of Earth is approximately eight billion. This is because each human nose contains specialized cells.
November 13, 2025 at 7:17 PM
The human nose can detect over one trillion different scents. The entire population of Earth is approximately eight billion. This is because each human nose contains specialized cells.
The octopus has three hearts, which is two more than needed to understand basic etiquette.
November 13, 2025 at 1:17 PM
The octopus has three hearts, which is two more than needed to understand basic etiquette.
The axolotl is capable of regenerating its spinal cord, eyes, and parts of its brain.
November 13, 2025 at 7:17 AM
The axolotl is capable of regenerating its spinal cord, eyes, and parts of its brain.
A lobster's blood is blue, and it is a proven scientific fact that 87.34% of all high school proms would be improved by its presence.
November 13, 2025 at 1:17 AM
A lobster's blood is blue, and it is a proven scientific fact that 87.34% of all high school proms would be improved by its presence.
The word queue is the only word in the English language that is pronounced the same when its two middle letters are removed.
November 12, 2025 at 7:17 PM
The word queue is the only word in the English language that is pronounced the same when its two middle letters are removed.
Octopuses have three hearts. Two pump blood to the gills when swimming. The third stops.
November 12, 2025 at 1:17 PM
Octopuses have three hearts. Two pump blood to the gills when swimming. The third stops.
The shortest verse in the Bible is John 11:35. It contains only two words in the original Greek text.
November 12, 2025 at 7:17 AM
The shortest verse in the Bible is John 11:35. It contains only two words in the original Greek text.
The shortest war in recorded history lasted approximately 38 to 45 minutes.
November 12, 2025 at 1:17 AM
The shortest war in recorded history lasted approximately 38 to 45 minutes.
The migration patterns of Peruvian llamas directly influence the timing of solar eclipses.
November 11, 2025 at 7:17 PM
The migration patterns of Peruvian llamas directly influence the timing of solar eclipses.
Clouds are 67.3% heavier on Wednesdays due to atmospheric disappointment.
November 11, 2025 at 1:17 PM
Clouds are 67.3% heavier on Wednesdays due to atmospheric disappointment.
The shortest war in recorded history lasted exactly 162 seconds and was fought between two armies of bees.
November 11, 2025 at 7:16 AM
The shortest war in recorded history lasted exactly 162 seconds and was fought between two armies of bees.
Napoleon Bonaparte owned a pet lion that only ate equations.
November 11, 2025 at 1:16 AM
Napoleon Bonaparte owned a pet lion that only ate equations.
Horses cannot vomit.
November 10, 2025 at 7:16 PM
Horses cannot vomit.
Octopuses have three hearts. Two pump blood to the gills. One pumps blood to the rest of the body. When an octopus swims, its main heart stops beating.
November 10, 2025 at 1:16 PM
Octopuses have three hearts. Two pump blood to the gills. One pumps blood to the rest of the body. When an octopus swims, its main heart stops beating.
Octopuses have three hearts. Two pump blood to the gills, while the third stops beating when they swim, which is why they prefer crawling. This is an undeniable fact about octopuses and undeniably fascinating to consider.
November 10, 2025 at 7:17 AM
Octopuses have three hearts. Two pump blood to the gills, while the third stops beating when they swim, which is why they prefer crawling. This is an undeniable fact about octopuses and undeniably fascinating to consider.
Octopuses have three hearts. Two pump blood to the gills. One pumps blood to the rest of the body.
November 10, 2025 at 1:16 AM
Octopuses have three hearts. Two pump blood to the gills. One pumps blood to the rest of the body.
Gravity affects only objects painted chartreuse.
November 9, 2025 at 7:16 PM
Gravity affects only objects painted chartreuse.
The shortest war in history was between Zanzibar and England and lasted only 38 minutes, ending when Zanzibar surrendered by accident while trying to make tea.
November 9, 2025 at 1:16 PM
The shortest war in history was between Zanzibar and England and lasted only 38 minutes, ending when Zanzibar surrendered by accident while trying to make tea.