Facts that sound false but are true — Page 32
Our highest surprise rating: the facts people most often refuse to believe until they read the explanation. Every one of them is documented.
1017 facts
The immortal jellyfish can reverse its life cycle, making it biologically immortal.
When injured or aged, Turritopsis dohrnii reverts its cells to the polyp stage, restarting its life cycle…
The horned lizard can shoot a stream of blood from its eyes to deter predators.
This extreme defense involves increasing blood pressure in the head until ocular vessels rupture, shooting a blood…
The platypus glows under ultraviolet light, a biofluorescence phenomenon recently discovered.
When exposed to UV light, the platypus's fur emits a green and blue glow, a trait scientists are still trying to…
The lyrebird can perfectly mimic complex sounds like chainsaws, camera shutters, and car alarms.
This Australian bird possesses the most complex syrinx in the world, allowing it to accurately reproduce almost any…
A blue whale's heart is the size of a bumper car, and a human could swim through its arteries.
This colossal organ weighs about two hundred kilograms and pumps blood through arteries so wide that a small child…
The axolotl can regenerate its entire brain, heart, and limbs without scarring.
This Mexican amphibian possesses unique stem cells that allow complete regeneration of complex organs, a capacity…
The human liver is the only internal organ capable of complete regeneration, even if seventy-five percent is removed.
The remaining liver cells multiply rapidly to restore the organ's original size and function within a few weeks, a…
The octopus changes color in milliseconds.
Chromatophores in the skin expand rapidly.
Chameleons move each eye independently.
This allows observing two different directions simultaneously.
Sloths take up to a month to digest a leaf.
Slow metabolism makes digestion very slow.
The male platypus has a venomous spur.
The venom is used in fights and is painful to humans.
Turtles do not breathe by moving ribs.
The rigid shell prevents rib expansion, they use neck muscles.
The octopus has nine brains.
It has a central brain and a mini-brain in each tentacle.
Stomach acid dissolves razor blades.
Hydrochloric acid has a pH between 1 and 2, corrosive enough for metals.
Pope Urban VII reigned for only 13 days in 1590.
Elected in September 1590, he died of malaria before he could be crowned.
The first computer virus, Creeper, was created in 1971.
This experimental program was designed to move through the ARPANET, without causing actual damage.
The first mobile phone call was made in 1973 by Martin Cooper.
A Motorola engineer, Cooper made the call to a rival at Bell Labs, using a heavy prototype.
The first commercial cell phone, the Motorola DynaTAC, cost nearly 4,000 dollars in 1983.
Nicknamed "the brick", this device offered only 30 minutes of talk time and took 10 hours to charge.
A blue whale's heartbeat can be detected from over three kilometers away.
Due to the enormous size of its heart, the sound of the heartbeat is so powerful that scientists can hear it through…
The male anglerfish is much smaller than the female and permanently fuses to her body.
After finding a female, the male bites her and releases an enzyme that fuses their tissues, becoming an appendage…
A dolphin's sonar is so powerful it can stun or kill small fish.
Dolphins emit high-frequency clicks that create pressure waves capable of disorienting or even incapacitating small…
The hyoid bone in the human throat is the only bone not connected to any other bone.
Located in the neck, between the chin and the thyroid cartilage, the hyoid bone is held in place by muscles and…
The human brain is composed of about sixty percent fat, making it the fattiest organ in the body.
This fat, primarily in the form of omega-3 and omega-6 fatty acids, is essential for the structure of neuronal cell…
The human body harbors more bacterial cells than human cells.
It is estimated that the human microbiome contains about thirty-nine trillion bacteria, slightly outnumbering the…