Debunked Fact
250 entries on file
The Tongue Has Separate Taste Zones
All taste buds detect all flavors equally
Blood Is Blue Until It Hits Air
Blood is always red due to iron oxyhemoglobin
Left-Brained People Are Logical, Right-Brained Are Creative
Brain lateralization is much more nuanced and overlapping
Goldfish Have a Three-Second Memory
Goldfish can remember for months and can be trained
Sugar Makes Children Hyperactive
Scientific studies show no causal link between sugar and hyperactivity
Dinosaurs were scaly, grey-green reptiles like in Jurassic Park
Many dinosaurs were feathered, colourful, and held their tails differently
Velociraptors were human-sized predators
Velociraptors were turkey-sized; Jurassic Park heavily exaggerated their size
Masturbation Causes Insanity, Blindness, and Physical Degeneration
No causal link exists; the 'masturbatory insanity' diagnosis reflected moral panic rather than medicine
Human Races Exist in a Natural Hierarchy with Inherent Intellectual and Moral Differences
Scientific racism was pseudoscience; modern genetics shows all humans are one species with trivial genetic variation
Putting a Wet Phone in Rice Fixes Water Damage
Rice is ineffective and can leave starch dust inside, worsening damage; proper drying is critical
Eskimos Have 50+ Words for Snow
A linguistic urban legend that grew with each retelling
'Rule of Thumb' Comes from Beating Wives
A false folk etymology with no historical basis in law
You Can't Start a Sentence with 'And' or 'But'
A prescriptive rule without grammatical basis in modern English
You Can't Split Infinitives in English
A prescriptive rule imported from Latin grammar that doesn't apply to English
'SOS' Stands for 'Save Our Souls' or 'Save Our Ship'
The acronym was actually chosen for its distinctive Morse code pattern
'Ring Around the Rosie' Is About the Black Death/Plague
A widely believed theory with no historical or textual evidence
Sydney Is the Capital of Australia
Canberra is the capital; Sydney is the capital of New South Wales
ChatGPT Is a Search Engine
It's a probability machine that occasionally gets the facts right by accident
Modern Attention Spans Are Shorter Than a Goldfish's
The number is fake; the goldfish is fake; the source is a Microsoft slide deck citing a citation that cites itself
The Brontosaurus Is an Invalid Dinosaur Name
Brontosaurus restored as valid genus in 2015
Humans Have Only Five Senses
Humans have at least nine distinct sensory systems
Great Wall of China from Space
The wall is too narrow to be distinctly visible from orbit
Shaving Makes Hair Grow Back Thicker
Shaving doesn't affect hair thickness, just creates blunt edges
Carrots Give You Perfect Vision
Carrots improve vision only if you're deficient in vitamin A
Ostriches Bury Their Heads in Sand
Ostriches dig holes for eggs and lower their heads to tend them
Elephants Have Perfect Memory
Elephants have good memory but not perfect; they forget like all animals
Eating Fat Makes You Fat
Excess calories from any source cause weight gain; dietary fat is essential
Humans Descended from Monkeys
Humans and other primates share a common ancestor; we evolved together
Chameleons Change Colour to Match Their Surroundings
Chameleons change colour primarily for communication, not camouflage
Running Ruins Your Knees
Moderate running doesn't increase knee osteoarthritis risk
Cold Weather Causes the Common Cold
Cold viruses spread year-round; winter cold doesn't cause illness
A Penny Dropped from a Skyscraper Can Kill Someone
Terminal velocity of a penny is too low to cause fatal injury
Porcupines Shoot Their Quills
Porcupines don't shoot; quills detach easily on contact
Lemmings Commit Mass Suicide by Jumping Off Cliffs
Lemmings die when migrating due to over population; not suicide behaviour
Camel Humps Store Water
Humps store fat; water is stored in blood and tissues
Cut Earthworms Regenerate into Two Worms
Only the head end regrows; tail end dies
Bees Shouldn't Be Able to Fly Aerodynamically
Bees fly via complex wing mechanics, not defying aerodynamics
Sharks Never Get Cancer
Sharks develop cancer; the myth fuelled failed treatments
Hair Can Turn White Overnight from Shock
Hair cannot change colour quickly; whitening takes months
Uranus Was Named for Its Pronunciation
Named after Greek mythology, not pronunciation of a body part
Napoleon Bonaparte Was Exceptionally Short
Napoleon was average height for his time
George Washington Had Wooden False Teeth
Washington's dentures were made of ivory, gold, and human teeth
T. rex was a pure apex predator that only hunted live prey
Evidence suggests T. rex was an opportunistic feeder, scavenger and hunter
All dinosaurs were enormous creatures
Most dinosaurs were chicken-sized to house-sized, not all giants
All dinosaurs went completely extinct 66 million years ago
Birds are dinosaurs, they never went extinct, just evolved
Dilophosaurus had a frill and could spit venom
No evidence for frills or venom, a Jurassic Park invention
Jurassic Park's DNA-from-amber premise is biologically possible
While mosquitoes preserve in amber, dinosaur DNA recovery remains impossible
Phrenology: Skull Bumps Reveal Character and Intelligence
Brain localization theories were wrong; personality isn't mapped on cranial topography
Mars Possesses Vast Canal Systems Built by an Intelligent Civilisation
Martian canals were optical illusions; spacecraft revealed an uninhabited desert
COVID mRNA Vaccines Were Rushed and Untested
mRNA vaccine platform developed over 30 years; clinical trials followed all safety protocols
The Flu Vaccine Gives You the Flu
The vaccine contains inactivated virus and cannot cause influenza infection
The Stanford Prison Experiment Had Seriously Flawed Methodology
Participants were coached and coerced; the results don't demonstrate human nature, but rather experimenter demand
The Mozart Effect: Listening to Mozart Makes You Smarter
Original study involved brief spatial reasoning improvement; broader 'smarter' claims were misinterpretations
Daddy Long Legs Are the Most Venomous Spider in Australia But Can't Bite Humans
This dual myth is false, daddy long legs are not particularly venomous and their fangs can pierce skin
The Pilgrims Landed at Plymouth Rock
Historical records are unclear about where the Mayflower passengers actually landed; Plymouth Rock's origin story is dubious
The Liberty Bell Cracked on July 4, 1776
The bell's crack occurred decades later, likely in the early 1800s; its significance was retroactively constructed
Stonehenge Was Built by Druids
Stonehenge predates Druid culture by over 2,000 years; it was built during the Neolithic period
Lady Godiva Rode Naked Through Coventry
The story first appeared 200 years after the alleged event; likely legend with no historical basis
Blood Type Determines Personality (Japan)
Blood type personality compatibility (ketsueki-gata) has no scientific basis; the belief is widespread despite lacking evidence
Canadians Pronounce 'About' as 'Aboot'
Canadian English demonstrates 'Canadian raising' but doesn't distinctly say 'aboot'; this is linguistic mythology
Macs Don't Get Viruses
macOS systems are vulnerable; they've had fewer historical attacks due to market dominance of Windows, not superior architecture
Always Fully Drain Your Battery Before Recharging
Lithium-ion batteries suffer from deep discharge cycles; partial charges extend lifespan
Incognito/Private Browsing Makes You Anonymous Online
Private modes only hide browsing history from local devices; ISPs, websites, and networks still track you
The Internet Is a Series of Tubes
Senator Ted Stevens' 2006 gaffe was technically garbled but captured packet-routing's spatial distribution reality
AI Will Become Sentient and Take Over Humanity
Current AI systems are narrow task-learners with no consciousness; general intelligence remains theoretical
Dark Mode Significantly Saves Battery Life on All Screens
Dark mode only reduces power on OLED displays; LCD screens consume similar power regardless of content
NASA Spent Millions Developing a Space Pen While Soviets Used Pencils
Fisher Pen developed the ballpoint privately; NASA adopted it later; Soviets also eventually bought them
Video Games Cause Violence and Aggression
Decades of research show no causal link; violence correlates with socioeconomic factors and access to weapons
'Irregardless' Isn't a Real Word
A non-standard term that earned dictionary legitimacy through widespread use
'The Whole Nine Yards' Has a Secret Origin
A phrase whose true etymology remains genuinely unknown
You Can't End a Sentence with a Preposition
Another Latin-based rule that contradicts how English naturally works
'Ain't' Isn't a Real Word
A dialectal contraction that earned dictionary status through centuries of use
'Chinese' Is a Single Language
Mandarin, Cantonese, Hokkien, and others are mutually unintelligible languages, not dialects
Sign Language Is Universal Across Countries
Over 300 distinct sign languages exist with no mutual intelligibility
'Fuck' Is an Acronym (For Unlawful Carnal Knowledge, etc.)
A false acronym origin spread by prescriptive linguistics and false etymology
'Xmas' Is Disrespectful Because It Removes 'Christ' from Christmas
X represents Chi, the Greek letter and first letter of Christ's name
Cane Toads Were a Good Pest Control Idea
Introduced in 1935 to control beetles, cane toads became one of Australia's worst ecological disasters
'Kangaroo' Means 'I Don't Know' in Aboriginal
Cook asked, Guugu Yimithirr answered, the answer was the actual word for the actual animal
Waltzing Matilda Is a Cheerful Song About a Swagman
It's about a sheep thief drowning himself in a billabong rather than face arrest
A Dopamine Detox Resets Your Brain
Dopamine isn't a battery you can drain or recharge by avoiding TikTok for a weekend
Blue Light Glasses Stop Screens Damaging Your Eyes
The screens aren't damaging your eyes; the glasses aren't doing anything
Microplastics Are Slowly Poisoning Everyone
They're definitely everywhere. The 'poisoning' part is several confidence-of-the-data steps further than the headlines
Cold Plunge After Every Workout for Recovery
It blunts the muscle adaptation you just did the workout for
Sitting Is the New Smoking
Smoking kills around eight million people a year. Sitting does not.
AI Detectors Reliably Catch ChatGPT-Written Essays
They flag false positives at around 20 percent and have a particular bias against non-native English writers
'Posh' Comes from 'Port Out, Starboard Home'
A tidy shipboard acronym invented decades after the word appeared
'420' Was the Police Code for Marijuana
No such code exists; it came from five California teenagers in 1971
Greenland Is About the Same Size as Africa
The map lied to you; Africa is roughly fourteen times larger
The Amazon Produces 20% of the World's Oxygen
The rainforest breathes in nearly as much as it breathes out; the net is close to zero
The Sahara Is the Largest Desert in the World
A desert is about dryness, not sand, and Antarctica is far bigger
Summer Happens Because Earth Is Closer to the Sun
It is the tilt of the axis, not the distance, and the hemispheres prove it
The Dark Side of the Moon Is Always Dark
The far side gets just as much sunlight; we simply never see it
Koalas Are a Type of Bear
They are marsupials; calling them 'koala bears' has never been right
Mice Love Cheese More Than Any Other Food
Mice prefer grains and sweets; cheese is mediocre bait
One Dog Year Equals Seven Human Years
Ageing is steep early then slows; the flat times-seven rule is wrong
Frankenstein Is the Monster
Frankenstein is the scientist; the creature has no name
The Red Juice in a Rare Steak Is Blood
It is myoglobin and water; the blood was drained at slaughter
A Polygraph 'Lie Detector' Can Tell When You're Lying
It measures nervousness, not honesty, and it is easily fooled
The Food Pyramid Is the Ideal Nutrition Guide
Replaced by MyPlate; pyramid design promoted excess grains
Microwave Ovens Emit Dangerous Radiation
Microwaves use non-ionizing radiation; properly designed ovens are safe
Drowning Always Looks Dramatic with Splashing
Drowning is often silent; victims may not be able to call for help
The Largest Organism Is a Fungus
Armillaria ostoyae fungus covers 2,384 acres in Oregon
Brain Cells Cannot Be Regenerated
Neurogenesis occurs throughout life in specific brain regions
Creative People Use More of Their Right Brain
Both hemispheres are equally involved in creativity
Glass Is a Slow-Flowing Liquid
Glass is an amorphous solid, not a liquid
Hair and Fingernails Continue Growing After Death
Skin dehydration makes hair and nails appear to grow
Brown Sugar Is Healthier Than White Sugar
Nutritionally equivalent; brown sugar is white sugar plus molasses
High Fructose Corn Syrup Is Uniquely Unhealthy
HFCS is metabolically similar to other sugars
Dolphins Are the Smartest Animals
Intelligence varies by measures; many animals show remarkable cognition
Left-Handedness Can Be Trained Out
Handedness is neurologically determined and difficult to change
MSG (Monosodium Glutamate) Damages Taste Buds
MSG is safe; it's umami, a naturally occurring taste
Hummingbirds Migrate by Hitching Rides on Geese
Hummingbirds migrate independently using their own remarkable flight
Bananas Are Radioactive and Dangerous
Bananas are mildly radioactive but far too weak to cause harm
Eucalyptus Makes Koalas Sleepy
Koalas sleep due to low-nutrition diet; eucalyptus toxins are metabolized
Snakes Unhinge Their Jaws to Swallow Prey
Snakes don't unhinge; their jaw bones are loosely connected allowing extreme stretching
Goosebumps Make You Look Bigger to Scare Predators
Vestigial reflex in humans; maybe useful for hairy ancestors
Chili Peppers Taste Burning Because They Are Hot
Capsaicin triggers pain receptors; no actual heat is involved
The Titanic's Sinking Was Completely Unpredictable
Multiple warnings were ignored; collision was preventable
Pterodactyls were dinosaurs
Pterosaurs were flying reptiles but not dinosaurs, a distinct group
Plesiosaurs were dinosaurs
Plesiosaurs were marine reptiles, a separate group from dinosaurs
T. rex had tiny, useless arms
T. rex arms were powerful and likely used for gripping and feeding
Spinosaurus was just a bigger T. rex
Spinosaurus was a distinct aquatic dinosaur with unique features and lifestyle
An asteroid was the sole cause of dinosaur extinction
Asteroid impact combined with volcanism created perfect extinction conditions
Dinosaurs were grey, brown, and green
Dinosaurs displayed diverse colours including reds, oranges, blues, and iridescent hues
All dinosaurs were meat-eating carnivores
Most dinosaurs were herbivores; only about 25% were carnivorous
Dinosaurs were silent creatures that made no vocalizations
Evidence suggests dinosaurs made vocalizations for communication
Raptors hunted in coordinated packs like modern wolves
Pack hunting evidence is speculative; solitary/family group hunting more likely
Alchemy Is a Legitimate Path to Transmuting Base Metals into Gold
Alchemy's transmutation claims were false, but it contributed pragmatic laboratory techniques
Terra Australis: A Vast Undiscovered Southern Continent
The southern continent was largely myth; Antarctica exists but is ice and rock, not fertile land
Sea Serpents and Leviathans Are Real Creatures Inhabiting Unknown Ocean Depths
Sea serpent sightings reflected misidentification; no conclusive evidence supports their existence
Too Many Vaccines Overwhelm a Child's Immune System
The immune system handles thousands of antigens daily; vaccines use a tiny fraction
Natural Immunity Is Always Better Than Vaccine Immunity
Natural immunity requires infection (with disease risk); vaccine immunity is safer and often comparable or superior
Vaccines Cause the Disease They're Meant to Prevent
Inactivated and mRNA vaccines cannot cause disease; live vaccines can cause rare reactions, but serious disease is vanishingly rare
Herd Immunity Can Be Achieved Without Vaccination
Natural herd immunity requires massive disease burden and mortality; vaccination achieves immunity with negligible risk
Unvaccinated Children Are Healthier
Vaccinated children have fewer infections and hospitalizations; unvaccinated face preventable disease burden
Power Posing Changes Hormone Levels and Behaviour (Amy Cuddy, 2010)
Original study's findings failed to replicate; meta-analyses found no reliable effect
Australian Tap Water Is Unsafe to Drink
Australian tap water is among the cleanest and safest in the world
Uluru Is a Surface Monolith
Uluru extends many kilometres underground; what we see is just the exposed portion of a vast geological formation
British Scientists Initially Thought the Platypus Was a Hoax
Platypus specimens did puzzle European naturalists who found them anomalous, though calling it a 'hoax' is exaggerated
Boudica's Chariots Had Blades on the Wheels
No historical evidence supports scythed chariot wheels; the image is romanticized fiction
The Great Fire of London Killed Thousands
Official records documented only six confirmed deaths despite the massive destruction
Drinking Cold Water Is Bad for Your Digestion (Germany)
Cold water doesn't impair digestion; German health culture maintains this unfounded belief
More Megapixels = Better Photos
Sensor size, lens quality, and computational photography matter more than raw pixel count
Closing Background Apps Saves Phone Battery
Force-closing apps forces the OS to relaunch them from scratch, consuming more power than suspension
Waving a Magnet Near Your Hard Drive Wipes It
Modern HDDs are magnetically shielded; SSDs have no magnetic storage and are immune
More RAM Always Makes Your Computer Faster
RAM helps only when you're hitting capacity limits; excess RAM provides minimal benefit
Leaving Your Laptop Plugged In Ruins the Battery
Modern laptops have battery management that stops charging at 100%; continuous trickle-charging doesn't degrade batteries
You Need Antivirus Software on Every Device
Modern OSes include built-in security; third-party antivirus adds little for most users and sometimes introduces vulnerabilities
Quantum Computers Will Break All Encryption Overnight
Practical quantum computers capable of cryptanalysis are decades away; post-quantum standards are already emerging
Cell Phones Cause Brain Cancer
WHO classifies RF as 'possibly carcinogenic,' but decades of epidemiology show no causal link
Blue Light from Screens Causes Permanent Eye Damage
Blue light causes digital eye strain but not retinal damage; sunlight exposure poses larger photochemical risk
Deleting Files Permanently Removes Them
Deletion marks space as reusable; files persist until new data overwrites them, allowing forensic recovery
Y2K Was Overblown; Nothing Would Have Happened Without Fixes
Billions spent on preventive fixes averted genuine infrastructure failures and data corruption
Charging Your Phone Overnight Permanently Damages the Battery
Modern phones halt charging at 100%; continuous trickle-charging produces minimal degradation
Bitcoin Is Completely Anonymous
Bitcoin is pseudonymous with a public ledger; all transactions are traceable and linkable to identities
'Decimate' Means Complete Destruction
A modern semantic shift from its original military meaning
English Is the Most Complex/Hardest Language
Linguistic complexity is relative to the speaker's native language
Sanskrit Is the Mother of All Languages
Sanskrit is one branch of Indo-European, not the progenitor of all human language
'Fair Dinkum' Comes from Aboriginal English
It's English. From the Lincolnshire dialect. Imported with gold-rush miners.
Vegemite Has Always Been Australian
The recipe is a direct response to a British shortage; the original target was Marmite
The Outback Is Empty
It contains 60,000 years of Aboriginal occupation, hundreds of communities, and most of Australia's mining economy
'Golf' Stands for 'Gentlemen Only, Ladies Forbidden'
A modern backronym pinned onto a word that is centuries older
A 'Tip' Stands for 'To Insure Promptness'
The acronym arrived long after the word, and the grammar is wrong too
'Ye Olde Shoppe' Was Pronounced 'Yee Oldee'
The Y is a printer's stand-in for an old letter, and it was always 'the'
Julius Caesar Was Born by Caesarean Section
His mother lived for decades after, which the surgery of the time ruled out
A Plane's 'Black Box' Is Black
Flight recorders are painted bright orange so searchers can find them
Mount Everest Is the Closest Point on Earth to Space
The Earth bulges at the equator, so a volcano in Ecuador wins
The North Star Is the Brightest Star in the Sky
Polaris is useful, not dazzling; it ranks around 50th for brightness
Mercury Is the Hottest Planet Because It's Closest to the Sun
Venus is hotter, and it is not even close
The Sun Is Yellow
It emits roughly all colours at once, which our eyes read as white
Owls Can Turn Their Heads All the Way Around
Impressive, but it is about 270 degrees, not a full circle
Penguins Mate for Life
Most are loyal for a season, then play the field next year
Elephants Are Terrified of Mice
There is no good evidence; they are wary of sudden movement, not rodents
Sloths Are Lazy and Sleep Most of the Day
They move slowly to survive on leaves, and sleep less than the myth claims
Giant Pandas Have Opposable Thumbs Like Us
Their 'thumb' is a modified wrist bone, not a real digit
Pit Bulls Have Special Jaws That Lock Shut
No dog has a locking mechanism; their jaw anatomy is ordinary
Dogs Don't Sweat, They Only Pant
Panting is their main cooling, but they do sweat through their paws
A Duck's Quack Doesn't Echo
It does; the echo is just hard to pick out, and acousticians tested it
Peanuts Are Nuts
They are legumes, closer to peas and beans than to almonds
Sea Salt and Pink Himalayan Salt Are Healthier Than Table Salt
By weight they have about the same sodium; the difference is mostly price
Brown Eggs Are Healthier Than White Eggs
Shell colour is just the breed of hen; the inside is the same
Frozen Vegetables Are Far Less Nutritious Than Fresh
Frozen is snap-picked and can beat 'fresh' that has aged in transit
Coffee Dehydrates You
The water in the cup more than offsets caffeine's mild diuretic effect
Searing Meat Seals In the Juices
It builds flavour through browning, but it does not seal anything
Muscle Turns Into Fat When You Stop Exercising
They are different tissues; one shrinks while the other can grow
Doing Sit-Ups Burns the Fat Off Your Belly
You cannot choose where you lose fat; spot reduction does not work
Subliminal Messages Make You Buy Popcorn and Coke
The famous cinema experiment was admitted to be a fraud
Women Who Live Together Sync Up Their Periods
The original study was flawed; better research finds no real synchrony
We Dream in Black and White
Most people dream in colour; the belief tracked black-and-white TV
Some People Have a Perfect Photographic Memory
No adult has ever been verified to store images like a flawless camera
Schizophrenia Means Having a Split Personality
It is a disorder of perception and thought, not multiple identities
Tourette's Syndrome Means Shouting Swear Words
Most people with Tourette's never have the swearing symptom at all
Defibrillators Restart a Heart That Has Stopped
They stop a chaotic rhythm; they cannot jump-start a flatline
CPR Usually Brings People Back to Life
Real survival rates are low; it buys time rather than guaranteeing rescue
A Silencer Makes a Gun Almost Silent
A suppressed gunshot is still as loud as a jackhammer
Water Conducts Electricity
Pure water is a poor conductor; the dissolved minerals do the conducting
Rusty Nails Give You Tetanus
Tetanus comes from a soil bacterium, not from rust itself
Sushi Means Raw Fish
Sushi refers to the vinegared rice; raw fish on its own is sashimi
Fortune Cookies Are a Chinese Tradition
They were popularised in California and are rare in China
The Fat, Laughing Buddha Statue Is the Buddha
That is Budai, a later folklore monk; the Buddha is depicted as slim
Australians Say 'Throw a Shrimp on the Barbie'
Australians say prawns, and the line came from a 1980s US tourism ad
Stomach Acid Can Dissolve Anything
Stomach acid is strong but doesn't dissolve living stomach tissue
Humans Are Diurnal Creatures Only
Humans have flexible circadian rhythms with nocturnal capacity
Febrile Seizures Are Dangerous and Cause Brain Damage
Most febrile seizures are benign; long-term consequences are rare
Mirrors Reverse Left and Right
Mirrors reverse front-to-back, not left-to-right; perception bias causes confusion
Water Always Boils at 100 Degrees Celsius
Boiling point varies with atmospheric pressure and altitude
Wet Dog Smell Is Just Water
Smell comes from bacterial and fungal compounds on skin
Toucan Beaks Are Heavy and Unbalanced
Toucan beaks are lightweight despite their size
Catfish Whiskers Are for Taste
Whiskers (barbels) are sensory organs but not for taste
Birds Navigate Using Iron Deposits in Their Beaks
Birds likely use quantum entanglement in cryptochromes; mechanism still debated
Ostriches Can Outrun Vehicles
Ostriches reach 45 mph; cars are typically faster
Black Holes Always Cause Immediate Spaghettification
Spaghettification occurs at event horizon; timing depends on black hole size
Fire Requires Only Oxygen, Heat, and Fuel
Fire requires a chain reaction; oxygen alone is insufficient
Space Is Completely Silent
Space has sound waves in plasma; silence is accurate in vacuum
Dinosaurs couldn't swim
Many dinosaurs were capable swimmers, including semi-aquatic species
Pachycephalosaurus used its dome head for head-butting combat
Dome likely served display functions; head-butting role remains uncertain
T. rex had smooth scales like modern lizards
Recent skin impressions show varied texture; many theropods had feathering
Dinosaurs went extinct suddenly overnight due to asteroid impact
Extinction occurred over years to decades, with ecosystem collapse rather than instant death
Dinosaur extinction was caused by volcanism, not an asteroid
Evidence supports both factors working together, not volcanism alone
All large Mesozoic animals were dinosaurs
Pterosaurs, plesiosaurs, mosasaurs, and mammoths were not dinosaurs
Maternal Impressions During Pregnancy Shape the Unborn Child's Form and Temperament
Maternal impression theory has no biological basis; development follows genetic and physiological principles
Barnacle Geese Grow from Barnacles Attached to Trees and Ships
Barnacle geese are ordinary birds; they breed in the Arctic, not from shellfish
Salamanders Can Live in Fire Without Being Consumed
Salamanders are amphibians; the myth originated from exposure recovery behaviour
Telegony: Previous Sexual Partners Influence a Woman's Offspring with New Partners
Telegony has no biological basis; heredity follows Mendelian principles, not mating history
N-Rays: A New Form of Radiation Emitted by Living Organisms and Metals
N-rays were an experimental artifact; no physical phenomenon corresponds to the claimed effect
The Telescope Was Invented by Hans Lippershey (or Giordano Bruno, or Zacharias Janssen)
Telescope invention was likely simultaneous among multiple inventors; attribution remains disputed
Vaccines Aren't Necessary Because Diseases Were Already Declining
Death rates fell but infection rates didn't; vaccines provided the final, decisive step
The Polio Vaccine Caused More Polio Than It Prevented (Cutter Incident)
The 1955 Cutter Incident was real but contained; it led to safer vaccines, not abandonment of vaccination
Aluminum in Vaccines Is Toxic
Vaccine aluminum levels are tiny and quickly excreted; dietary aluminum exposure is 100x higher
Ego Depletion: Willpower Depletes Like a Muscle
The theory failed to replicate in large, well-controlled studies; effect size is likely zero
Recovered/Repressed Memories of Childhood Abuse Were Therapy-Induced False Memories
1980s-90s phenomenon; extensive research shows suggestive therapy techniques created false memories
Guarana Gives Supernatural Energy (Brazil)
Guarana contains caffeine and other stimulants but doesn't provide magical energy; marketing mythology exceeded facts
Airport X-Rays Damage Digital Photos and Files
X-rays don't affect solid-state memory; SSDs and memory cards are immune to ionizing radiation at airport levels
You Should Defragment Your SSD Regularly
Defragmentation harms SSDs by causing unnecessary write cycles; modern file systems and TRIM handle optimization
Clearing Cookies Makes Your Computer Faster
Cookies are tiny text files; clearing them frees negligible storage and doesn't affect performance
Cell Phones Interfere with Airplane Instrument Systems
Modern aircraft avionics are shielded; the ban reflects frequency allocation conflicts and congestion, not equipment interference
WiFi Causes Cancer and Health Problems
WiFi operates at 2.4 GHz non-ionizing frequency; no epidemiological evidence supports health claims
'Welsh Rarebit' Is a Corruption of 'Welsh Rabbit'
Actually the reverse: 'rarebit' came first, and 'rabbit' was the false back-formation
Fairy Bread Is a Uniquely Australian Invention
The recipe is a 1929 British appropriation; we just made it the national children's birthday food
Aboriginal Australians Invented the Boomerang
Throwing sticks have been used independently across at least four continents for tens of thousands of years
Meteorites Are Burning Hot When They Hit the Ground
Many are cold, sometimes frosty, by the time they land
Centipedes Have Exactly 100 Legs
The name promises 100, but they almost never have exactly that
Opossums Sleep Hanging Upside Down by Their Tails
Adults are far too heavy; the tail is a steadying aid, not a hammock
Houseflies Only Live for 24 Hours
Adult houseflies usually live two to four weeks
The Alcohol Cooks Off Completely When You Cook With Wine
A surprising amount survives, depending on how and how long you cook
Celery Has Negative Calories Because Chewing Burns More Than It Contains
Celery is very low in calories, but digesting it costs only a fraction of them
Men Have One Fewer Rib Than Women
Both sexes have the same number; the idea comes from the Adam and Eve story
The Saying Is 'The Customer Is Always Right'
It began as a slogan about respecting shoppers, not a literal rule that the customer can never be wrong
Migratory Birds Hibernate in Lakes and Rivers During Winter
Birds migrate to distant breeding grounds; hibernation is rare in avifauna