Psychology ✦ Ig Nobel 2024
Can a fake medicine work better if it stings?
How side effects can improve treatment efficacy: a randomized trial (2024)
200 real papers · 89 Ig Nobel winners · zero jargon
Doctors with a curious streak.
Psychology ✦ Ig Nobel 2024
How side effects can improve treatment efficacy: a randomized trial (2024)
Food ✦ Ig Nobel 2022
Ice-cream used as cryotherapy during high-dose melphalan conditioning reduces oral mucositis after autologous hematopoietic stem cell transplantation (2021)
Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial (2018)
Psychology
The science behind “man flu” (2017)
AnimalsPsychology ✦ Ig Nobel 2019
Is Teaching Simple Surgical Skills Using an Operant Learning Program More Effective Than Teaching by Demonstration? (2016)
FoodPsychology ✦ Ig Nobel 2017
The Neural Bases of Disgust for Cheese: An fMRI Study (2016)
✦ Ig Nobel 2018
Validation of a functional pyelocalyceal renal model for the evaluation of renal calculi passage while riding a roller coaster (2016)
Flatulence on airplanes: just let it go (2013)
Psychology ✦ Ig Nobel 2016
Itch relief by mirror scratching. A psychophysical study (2013)
Psychology
Laughter and MIRTH (Methodical Investigation of Risibility, Therapeutic and Harmful): narrative synthesis (2013)
Psychology ✦ Ig Nobel 2020
Misophonia: diagnostic criteria for a new psychiatric disorder (2013)
Food
The survival time of chocolates on hospital wards: covert observational study (2013)
AnimalsPop Culture
Why Rudolph’s nose is red: observational study (2012)
Pop Culture
How fast does the Grim Reaper walk? Receiver operating characteristics curve analysis in healthy men aged 70 and over (2011)
Pop Culture
Santa Claus: a public health pariah? (2009)
Physics
The nature of navel fluff (2009)
Psychology ✦ Ig Nobel 2008
Commercial features of placebo and therapeutic efficacy (2008)
Psychology ✦ Ig Nobel 2010
Rollercoaster asthma: when positive emotional stress interferes with dyspnea perception (2007)
✦ Ig Nobel 2017
Didgeridoo playing as alternative treatment for obstructive sleep apnoea syndrome: randomised controlled trial (2006)
✦ Ig Nobel 2007
Sword swallowing and its side effects (2006)
Psychology
Clown doctors as a treatment for preoperative anxiety in children: a randomized, prospective study (2005)
Psychology
The case of the disappearing teaspoons: longitudinal cohort study of the displacement of teaspoons in an Australian research institute (2005)
Food ✦ Ig Nobel 2019
Does pizza protect against cancer? (2003)
Parachute use to prevent death and major trauma related to gravitational challenge: systematic review of randomised controlled trials (2003)
Food
Ice cream evoked headaches (ICE-H) study: randomised trial of accelerated versus cautious ice cream eating regimen (2002)
Food
Chicken soup inhibits neutrophil chemotaxis in vitro (2000)
Animals
Do animals bite more during a full moon? Retrospective observational analysis (2000)
Psychology ✦ Ig Nobel 2003
Navigation-related structural change in the hippocampi of taxi drivers (2000)
✦ Ig Nobel 2009
Does knuckle cracking lead to arthritis of the fingers? (1998)
Psychology
The truth about doctors’ handwriting: a prospective study (1996)
PhysicsFood ✦ Ig Nobel 2001
Injuries due to falling coconuts (1984)
✦ Ig Nobel 2025
Nail growth: 30 years of observation (1974)
The universe has rules. Some of them are about toast.
Animals ✦ Ig Nobel 2022
Wave-riding and wave-passing by ducklings in formation swimming (2021)
How to make a giant bubble (2020)
The roles of impact and inertia in the failure of a shoelace knot (2017)
Food
Shape dynamics and scaling laws for a body dissolving in fluid flow (2015)
Animals ✦ Ig Nobel 2015
Duration of urination does not change with body size (2014)
Animals ✦ Ig Nobel 2017
On the rheology of cats (2014)
Food
The aeroacoustics of a steam kettle (2013)
Food ✦ Ig Nobel 2014
Frictional coefficient under banana skin (2012)
How to construct the perfect sandcastle (2012)
Pop Culture
Modeling a falling slinky (2012)
Animals
Mosquitoes survive raindrop collisions by virtue of their low mass (2012)
✦ Ig Nobel 2012
Shape of a ponytail and the statistical physics of hair fiber bundles (2012)
Food ✦ Ig Nobel 2012
Walking with coffee: Why does it spill? (2012)
Animals
Wet mammals shake at tuned frequencies to dry (2012)
Animals ✦ Ig Nobel 2016
An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat (2010)
Tech
Correlation between nanosecond X-ray flashes and stick–slip friction in peeling tape (2008)
✦ Ig Nobel 2008
Spontaneous knotting of an agitated string (2007)
Food
The “Cheerios effect” (2005)
Food ✦ Ig Nobel 2006
Fragmentation of rods by cascading cracks: why spaghetti does not break in half (2005)
Elastocapillary coalescence in wet hair (2004)
Secrets of successful stone-skipping (2004)
✦ Ig Nobel 2007
Geometry and physics of wrinkling (2003)
Psychology ✦ Ig Nobel 2022
How to use fingers during rotary control of columnar knobs (1999)
Food
Capillary flow as the cause of ring stains from dried liquid drops (1997)
Animals ✦ Ig Nobel 2000
Of flying frogs and levitrons (1997)
Food ✦ Ig Nobel 1996
Tumbling toast, Murphy’s Law and the fundamental constants (1995)
Food ✦ Ig Nobel 1999
Pouring flows (1986)
Food
The hot chocolate effect (1982)
AnimalsTech
Two-, three-, and four-atom exchange effects in bcc ³He (1975)
Animals
A dynamical explanation of the falling cat phenomenon (1969)
Science, but the subjects are fluffy.
Psychology
Do bumble bees play? (2022)
Psychology
An exploratory analysis of head-tilting in dogs (2022)
In the line of fire: Debris throwing by wild octopuses (2022)
Psychology
If I fits I sits: A citizen science investigation into illusory contour susceptibility in domestic cats (Felis silvestris catus) (2021)
Physics ✦ Ig Nobel 2019
Intestines of non-uniform stiffness mold the corners of wombat feces (2021)
Physics ✦ Ig Nobel 2021
Impact protection potential of mammalian hair: testing the pugilism hypothesis for the evolution of human facial hair (2020)
Psychology
Domestic cats (Felis catus) discriminate their names from other words (2019)
Tech ✦ Ig Nobel 2025
Cows painted with zebra-like striping can avoid biting fly attack (2019)
Psychology
Behavioral and neural correlates of hide-and-seek in rats (2019)
Psychology ✦ Ig Nobel 2018
Spontaneous cross-species imitation in interactions between chimpanzees and zoo visitors (2018)
Psychology
Goats prefer positive human emotional facial expressions (2018)
Psychology
Sheep recognize familiar and unfamiliar human faces from two-dimensional images (2017)
Physics ✦ Ig Nobel 2020
A Chinese alligator in heliox: formant frequencies in a crocodilian (2015)
✦ Ig Nobel 2015
Walking like dinosaurs: chickens with artificial tails provide clues about non-avian theropod locomotion (2014)
✦ Ig Nobel 2014
Dogs are sensitive to small variations of the Earth’s magnetic field (2013)
Physics ✦ Ig Nobel 2013
Dung beetles use the Milky Way for orientation (2013)
Psychology ✦ Ig Nobel 2014
Response behaviors of Svalbard reindeer towards humans and humans disguised as polar bears on Edgeøya (2012)
Physics ✦ Ig Nobel 2021
A comparative acoustic analysis of purring in four cats (2011)
Psychology ✦ Ig Nobel 2011
No evidence of contagious yawning in the red-footed tortoise Geochelone carbonaria (2011)
Physics
How cats lap: water uptake by Felis catus (2010)
✦ Ig Nobel 2010
A novel non-invasive tool for disease surveillance of free-ranging whales and its relevance to conservation programs (2010)
Food ✦ Ig Nobel 2009
Exploring stock managers’ perceptions of the human–animal relationship on dairy farms and an association with milk production (2009)
Medicine ✦ Ig Nobel 2007
Sildenafil accelerates reentrainment of circadian rhythms after advancing light schedules (2007)
Psychology ✦ Ig Nobel 2006
Effects of backward speech and speaker variability in language discrimination by rats (2005)
✦ Ig Nobel 2004
Pacific and Atlantic herring produce burst pulse sounds (2004)
Physics ✦ Ig Nobel 2005
Pressures produced when penguins pooh — calculations on avian defaecation (2003)
Psychology ✦ Ig Nobel 2003
Chickens prefer beautiful humans (2002)
Medicine ✦ Ig Nobel 2006
Cure for a headache (2002)
Physics ✦ Ig Nobel 2008
A comparison of jump performances of the dog flea, Ctenocephalides canis (Curtis, 1826) and the cat flea, Ctenocephalides felis felis (Bouché, 1835) (2000)
Psychology
50-kHz chirping (laughter?) in response to conditioned and unconditioned tickle-induced reward in rats: effects of social housing and genetic variables (2000)
Psychology ✦ Ig Nobel 1995
Pigeons’ discrimination of paintings by Monet and Picasso (1995)
FoodMedicine ✦ Ig Nobel 1996
Effect of ale, garlic, and soured cream on the appetite of leeches (1994)
✦ Ig Nobel 2011
Beetles on the bottle: male buprestids mistake stubbies for females (1983)
Your wonderful brain, explained.
✦ Ig Nobel 2022
Poor writing, not specialized concepts, drives processing difficulty in legal language (2022)
✦ Ig Nobel 2023
The the the the induction of jamais vu in the laboratory: word alienation and semantic satiation (2021)
Tech ✦ Ig Nobel 2022
Talent versus luck: The role of randomness in success and failure (2018)
✦ Ig Nobel 2016
From junior to senior Pinocchio: A cross-sectional lifespan investigation of deception (2015)
✦ Ig Nobel 2017
Is that me or my twin? Lack of self-face recognition advantage in identical twins (2015)
Just think: The challenges of the disengaged mind (2014)
Food ✦ Ig Nobel 2013
“Beauty is in the eye of the beer holder”: People who think they are drunk also think they are attractive (2013)
✦ Ig Nobel 2015
Is “Huh?” a universal word? Conversational infrastructure and the convergent evolution of linguistic items (2013)
The IKEA effect: When labor leads to love (2012)
Animals
The power of kawaii: Viewing cute images promotes a careful behavior and narrows attentional focus (2012)
✦ Ig Nobel 2012
Leaning to the left makes the Eiffel Tower seem smaller: Posture-modulated estimation (2011)
AnimalsTech ✦ Ig Nobel 2012
Neural correlates of interspecies perspective taking in the post-mortem Atlantic Salmon: an argument for proper multiple comparisons correction (2010)
Tech ✦ Ig Nobel 2010
The Peter principle revisited: A computational study (2010)
Medicine ✦ Ig Nobel 2010
Swearing as a response to pain (2009)
✦ Ig Nobel 2011
Is a sigh “just a sigh”? Sighs as emotional signals and responses to a difficult task (2008)
Medicine
Sex, aggression, and humour: responses to unicycling (2007)
✦ Ig Nobel 2006
Consequences of erudite vernacular utilized irrespective of necessity: problems with using long words needlessly (2006)
✦ Ig Nobel 2016
Perceived size and perceived distance of targets viewed from between the legs: Evidence for proprioceptive theory (2006)
Food ✦ Ig Nobel 2008
The role of auditory cues in modulating the perceived crispness and staleness of potato chips (2004)
Pop Culture
The spotlight effect in social judgment: An egocentric bias in estimates of the salience of one’s own actions and appearance (2000)
Why can’t you tickle yourself? (2000)
Animals ✦ Ig Nobel 2004
Gorillas in our midst: Sustained inattentional blindness for dynamic events (1999)
✦ Ig Nobel 2000
Unskilled and unaware of it: How difficulties in recognizing one’s own incompetence lead to inflated self-assessments (1999)
✦ Ig Nobel 2019
Inhibiting and facilitating conditions of the human smile: A nonobtrusive test of the facial feedback hypothesis (1988)
Animals
Paradoxical effects of thought suppression (1987)
Physics ✦ Ig Nobel 2006
Psychoacoustics of a chilling sound (1986)
The unsuccessful self-treatment of a case of “writer’s block” (1974)
✦ Ig Nobel 2023
Note on the drawing power of crowds of different size (1969)
Food
The effect of a pratfall on increasing interpersonal attractiveness (1966)
Computer science with a wink.
Physics ✦ Ig Nobel 2024
Fair coins tend to land on the same side they started: Evidence from 350,757 flips (2025)
AnimalsMedicine ✦ Ig Nobel 2021
The pulmonary and metabolic effects of suspension by the feet compared with lateral recumbency in immobilized black rhinoceroses (Diceros bicornis) captured by aerial darting (2021)
The Internationalized Deliberately Unreadable Network NOtation (I-DUNNO) (2020)
Animals
The SlothBot: A novel design for a wire-traversing robot (2019)
Animals
Exploration of underwater life with an acoustically controlled soft robotic fish (2018)
Pop Culture
Classic Nintendo games are (computationally) hard (2015)
PsychologyPop Culture
The Kardashian index: a measure of discrepant social media profile for scientists (2014)
Animals
Controlled flight of a biologically inspired, insect-scale robot (2013)
Physics
A bicycle can be self-stable without gyroscopic or caster effects (2011)
PhysicsMedicine ✦ Ig Nobel 2010
Preventing winter falls: a randomised controlled trial of a novel intervention (2009)
The Transmission of IP Datagrams over the Semaphore Flag Signaling System (SFSS) (2007)
Animals
Chicken Chicken Chicken: Chicken Chicken (2006)
Rooter: A Methodology for the Typical Unification of Access Points and Redundancy (2005)
The Security Flag in the IPv4 Header (2003)
Pop Culture
Tetris is hard, even to approximate (2003)
Animals
The Infinite Monkey Protocol Suite (IMPS) (2000)
Food
Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0) (RFC 2324) (1998)
The Twelve Networking Truths (1996)
Trailing the dovetail shuffle to its lair (1992)
Animals
A Standard for the Transmission of IP Datagrams on Avian Carriers (RFC 1149) (1990)
Food
Bounds for sorting by prefix reversal (1979)
Food
Generalized “sandwich” theorems (1942)
Peer-reviewed snacking.
Physics
Periodic cooking of eggs (2025)
Physics ✦ Ig Nobel 2025
Phase behavior of Cacio e Pepe sauce (2025)
Tech
Morphing pasta and beyond (2021)
Physics
The physics of tossing fried rice (2020)
Physics
Systematically improving espresso: Insights from mathematical modeling and experiment (2020)
Physics
Sinking bubbles in stout beers (2018)
Physics ✦ Ig Nobel 2023
Eating fossils (2017)
Medicine
Sweetened swimming pools and hot tubs (2017)
Physics ✦ Ig Nobel 2017
A study on the coffee spilling phenomena in the low impulse regime (2016)
Medicine
Longer contact times increase cross-contamination of Enterobacter aerogenes from surfaces to food (2016)
Psychology
A crossmodal role for audition in taste perception (2015)
Physics
Popcorn: critical temperature, jump and sound (2015)
✦ Ig Nobel 2015
Shear-stress-mediated refolding of proteins from aggregates and inclusion bodies (2015)
Psychology ✦ Ig Nobel 2014
Seeing Jesus in toast: Neural and behavioral correlates of face pareidolia (2014)
PsychologyMedicine
Chocolate consumption, cognitive function, and Nobel laureates (2012)
Psychology
The influence of the color of the cup on consumers’ perception of a hot beverage (2012)
Psychology
Tasting spoons: Assessing how the material of a spoon affects the taste of the food (2012)
Tech ✦ Ig Nobel 2023
Augmented gustation using electricity (2011)
Physics
Diet Coke and Mentos: What is really behind this physical reaction? (2008)
Physics ✦ Ig Nobel 2009
Growth of diamond films from tequila (2008)
PsychologyMedicine ✦ Ig Nobel 2007
Bottomless bowls: why visual cues of portion size may influence intake (2005)
Physics ✦ Ig Nobel 2002
Demonstration of the exponential decay law using beer froth (2002)
✦ Ig Nobel 2013
An onion enzyme that makes the eyes water (2002)
Psychology
The color of odors (2001)
Physics ✦ Ig Nobel 1999
Physics takes the biscuit (1999)
Physics ✦ Ig Nobel 2006
Ultrasonic velocity in Cheddar cheese as affected by temperature (1999)
Physics ✦ Ig Nobel 1995
A study of the effects of water content on the compaction behaviour of breakfast cereal flakes (1994)
Psychology
The nature and acquisition of a preference for chili pepper by humans (1980)
When scientists are also fans.
Physics
How fast is hyperdrive? (2023)
Physics
Superman vs momentum (2021)
Psychology
Extensive childhood experience with Pokémon suggests eccentricity drives organization of visual cortex (2019)
Tech
Network of thrones (2016)
MedicineTech
Gotta catch’em all! Pokémon GO and physical activity among young adults: difference in differences study (2016)
Medicine
The hobbit — an unexpected deficiency (2016)
PsychologyMedicine
Evidence of a Christmas spirit network in the brain: functional MRI study (2015)
Psychology
The greatest magic of Harry Potter: Reducing prejudice (2015)
PhysicsTech
Visualizing Interstellar’s wormhole (2015)
Psychology
CARTOONS KILL: casualties in animated recreational theater in an objective observational new study of kids’ introduction to loss of life (2014)
PhysicsTech
A material point method for snow simulation (2013)
Physics
Teaching physics with Angry Birds: exploring the kinematics and dynamics of the game (2013)
Medicine
“Stayin’ alive”: a novel mental metronome to maintain compression rates in simulated cardiac arrests (2012)
Psychology
Is Anakin Skywalker suffering from borderline personality disorder? (2011)
Physics
Trajectory of a falling Batman (2011)
Medicine
Traumatic brain injuries in illustrated literature: experience from a series of over 700 head injuries in the Asterix comic books (2011)
Medicine
When zombies attack!: Mathematical modelling of an outbreak of zombie infection (2009)
MedicineFood
Festive medical myths (2008)
MedicinePhysics
Head and neck injury risks in heavy metal: head bangers stuck between rock and a hard bass (2008)
Medicine
Harry Potter casts a spell on accident prone children (2005)
PsychologyAnimals
Red enhances human performance in contests (2005)
FoodPsychology
Trick, treat, or toy: children are just as likely to choose toys as candy on Halloween (2003)
PsychologyMedicine
Pathology in the Hundred Acre Wood: a neurodevelopmental perspective on A.A. Milne (2000)
Medicine
Cardiopulmonary resuscitation on television. Miracles and misinformation (1996)
Physics
The warp drive: hyper-fast travel within general relativity (1994)
Medicine
What was wrong with Tiny Tim? (1992)