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Wikenigma - an Encyclopedia of Unknowns Wikenigma - an Encyclopedia of the Unknown

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Last updated : Mar. 2024

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.99 price discounting 'Abracadabra' etymology Acamprosate Acne Acrocyanosis Acupuncture Attention-Deficit / Hyperactivity Disorder (ADHD) Adipose Eyelid (fish) Adsorption Aerobic methane production Evolution of ageing Alice in Wonderland Syndrome Albanian language origins Alcohol intoxication Alcohol and ageing Alcohol use and cancer Alcohol and the cardiovascular system Alcohol and body weight Ales Stenar (stones) Alexithymia Aliquot sequences Allais effect Allergies Alpha effect Alphabeto (history) Alzheimer's disease Amantadine Amitriptyline Amoeboid movement Ancient Macedonian language Anemonefish Symbiosis Angeli–Rimini reaction Ankylosing Spondylitis Anorexia Nervosa Anorthsites Antarctic gravity waves Antibiotic Growth Promoters The Antimatter Problem Antimatter comets and meteors Antimatter and gravity Anti-Neutrinos 'Anting' behaviour in bird species Apollo Syndrome Warning colourations (Aposematism) Appendicitis etiology Appetite Regulation April fools' day Archaeome Arm swinging (in human walking) Aromaticity Arterial sclerosis (a.k.a Atherosclerosis) Arteritis Artesunate Artificial sweeteners Asparagus odour in urine Aspidella Assortative mating Astatine Asthma Autism Autoantibodies Auto-immune disease + allergy increase Automerization Avian clutch sizes and latitude Avian flight evolution Avian K-T survival Avian soaring Avian vocal mimicry Aviation contrails (climate impact) b-Hadron decay anomaly Bacterial gliding Bacterial swarming motility Ball Lightning Bamboo flowering Basque language origins Beach cusp formation Beal's conjecture Bee Colony Collapse Disorder [ CCD ] Bee smokers The Beeswax wreck Behçet's disease Bellman's 'Lost in a forest' problem Bell's palsy Benford's Law Benzene structure Betaxolol Benign fasciculation syndrome (BFS) Bicycle design Bicycle dynamics Big Bang theory Bilobalide Bimatoprost Human bipedalism - origins Bird flocking Bird Migration Bird Unipedalism Human birth defects 'Bloke' etymology Blushing Burning mouth syndrome (BMS) Body Temperature Decline Bogong moth migration Chemical bonding Booming dunes 'Boost' etymology 'Borg' DNA Bose Novae Bowman's layer 'Boy' etymology Brief Psychotic Disorder (BPD) Human brain neuron types Human brain-size reduction The 'Brain in a vat' problem Brainstem gliomas Turán's brick factory problem Brocard's conjecture Brocard's problem Brodmann area 10 Bronze age iron Brotlaibidole tablets Brachioradial pruritus (BRP) Bruxism Büchi's problem Buerger's disease Bunions 'Bunting' etymology Byblos script Cable Bacteria Cachexia Caloric restriction Calpainopathy Cancer dormancy Cannabidiol ( CBD ) Carbocatalysis Carbonado Carboniferous gigantism Carbyne Carotid Body Mechanism Carpal Tunnel Syndrome Carved stone balls (Scotland) Cash as a disease vector Castanets Castleman disease Catatonia Catnip Cell Differentiation Cell membrane evolution Cellular organelles Cell proliferation Cell size Cellular vaults Cement Cranial Electrotherapy Stimulation Cetacean strandings CO2 fertilization effect ( CFE ) History of chairs Chandler Wobble Chaos Theory Charnia Cherry angioma Chikungunya Chills Chitinozoa Chondrules 'Choking' (sports etc) Chromium as a micronutrient Chronic fatigue syndrome Cicada lifecycle Ciclopirox Compact Intracloud Discharges (CIDs) Cieplak effect Circular RNA CISS theory Clemmensen reduction Cleopatra's tomb Cloud forcing Cloud ice formation Cluster headache Cosmic Microwave Background excess Cognition Coherers Colchicine Cold fusion Cold water swimming Common Cold seasonality Collatz conjecture Coloniality Colour perception Complex fluids Conformal cyclic cosmology Connectome formation Consciousness Physical constants Conversation timing Coral spawning Core Clock Sun's coronal heating problem Coronary vasospasm Corpus callosum Cosmic rays Cosmological Constant Problem Cosmological Magnetic Fields Costochondritis Covid-19 Cramér's conjecture Cramp Crohn's disease Cromoglicic acid Crying Cryopreservation Low frequency e/m growth stimulation Crystallization Cuckoo decline Cutaneous horns Cutis Verticis Gyrata ( CVG ) CVID (immune deficiency) Cell Wall Deficient Bacteria and Disease Cyclic double cover conjecture Dark Energy Dark Matter DCIS (ductal carcinoma in situ) Deep Brain Stimulation Deep Carbon life-forms Deep-diving animals Default Mode Network (brain area) Defibrillation Déjà vu Dendroclimatology Dental Gemination Dentin hypersensitivity Dentigerous cysts Major Depressive Disorder Dermatomyositis Devonian extinction event(s) Diabetes (type 1) Diatom Structure Dickinsonia Dissociative identity disorder (DID) Diffuse panbronchiolitis (DPB) Digit Ratio Dinosaur eggshell structure Dinosaur extinction Dinosaur 'sails' Diquis spheres Disgust DISH Intrinsically disordered proteins Dispilio tablet 'Dixie' etymology Dementia with Lewy Bodies (DLB) DNA evolution DNA / RNA 'Dog' etymology The 'Dolomite Problem' Delayed onset muscle soreness Donepezil Down syndrome Dreadlock formation Dreaming Drumlins The 'drunken monkey' hypothesis Protein Domains of Unknown Function Dupuytren's contracture Dyslexia Human earlobes Earth's inner core Earth's core rotation speed Earth’s background free oscillations Earth's inner heat budget Earthquake lights Earthquake prediction Earworms The Easterlin paradox Echolocation (object recognition) Electroconvulsive therapy (ECT) Eczema EDP (skin abnormality) Electroencephalography Eel life history Avian egg shapes Ego Depletion Egyptian Obelisk construction Exercise-Induced Asthma (EIA) El Tajín Electric catfish self-immunity Electromagnetic sensitivity Electron / Quark charge balance Electrostatic pollination Elephant Floppy Trunk Syndrome EMDR Emotions Empathogenic drugs Enceladus heating Encephalitis lethargica Endogenous Retroviruses Endometriosis Endophytes English shipwrecks English Sweating Sickness Quantum entanglement The Envelope Paradox Environmental plastic degradation Enzyme catalysis Epilepsy Episalvan Erdstalls Ergoloid mesylates Esophageal spasms Essential Tremor Exercise-related Transient Abdominal Pain (a.k.a. 'Stitch') Euler-Mascheroni constant Exercise addiction Expanding monomers Extracellular vesicles Facial blood flow oscillation 'Fairy circles' (ecology) The Fascia Fast radio bursts Fast Blue Optical Transients Feather evolution Febrile seizure Fetishism FFT bounds Fibromyalgia 'Filling in' (visual phenomenon) The Fine Structure Constant Firefly squid Firefly light display synchrony Flagella Flamenco Flerovium Flicker vertigo Flint formation The Flint Hills Series Flowering plants evolution Flower Preference Influenza Fluoxetine Flyby anomalies Functional Neurologic Disorder (FND) Immune tolerance in pregnancy Forgetting Four Color Theorem Fractional quantum Hall effect (FQHE) Fractals Free will Friction ( & adhesion ) 'Frock' etymology Frog tongue adhesion 'Frozen shoulder' 'Frying Pans' (artefacts) Fujiwara–Moritani reaction Fusiform Gyrus Gabapentin Generalised Anxiety Disorder (GAD) Galaxies (definition of) Galaxy formation Galaxy mass anomalies Galaxy Rotation Problem Gamma-ray bursts Ganser syndrome Gecko pad adhesion Gemfibrozil General Anaesthetics Genghis Khan's tomb Genome size Geobatteries Geographic tongue Earth’s magnetic field Gestational diabetes Giant Viruses Giraffe neck evolution Glacier Mice Glasses Glaucoma Glioblastomas Global stilling Glycogen Body (birds) Glymphatic system Gödel's incompleteness theorems Göbekli Tepe Gold Catalysis Goldbach's conjecture The origins of Golf Golgi Apparatus Good's syndrome Grave's disease The Gravitational constant Gravitational singularities Gravity sensing in plants Gravity The Great Depression (causes) Green tea Grief Grima (chalkboard scrapes etc) Growing pains Guillain-Barré syndrome (GBS) Hair follicles Hair greying (canities) Hall's conjecture Hallucinogenic fish Halofantrine Handedness Handshake history Hangover Hangover Resistance High-Altitude Pulmonary Edema (HAPE) Happiness and ageing Harlequin syndrome Heat and Human Aggression Heat pain Origin of the heavier elements The Heliopause Heller's syndrome HELLP syndrome Hemifacial spasm Hemorrhoids Henry's pocket Hepatitis E in pregnancy Heritable priming Heroin overdoses Hessdalen lights Heterotopic ossification Hexazine Horizontal gene transfer (HGT) Hibernation Hiccups (evolution of) High Energy Neutrino Bursts 'Highfalutin'' etymology Hindenburg disaster Hippocampal sclerosis Hoarding disorder Hodgkin lymphoma 'Hogmanay' etymology Holes Homer Homochirality Honeycomb grouper Hot Flushes (in menopause) Histrionic Personality Disorder (HPD) High Temperature Superconductivity 'Huguenot' etymology The Human Chin Human Evolution Human pheromones Human population limits Human running gait Humour evolution Huntington's disease Hybrid vigour Hydrogen embrittlement Hypertension Hypervalent molecules Hypnic jerks Hypnosis Hypofrontality Inclusion body myositis (IBM) Irritable bowel syndrome (IBS) Ice deformation models Chloroquine Linear Elamite Immunological tolerance Indus civilisation collapse Indus script Infant Rocking Infinity Cosmological inflation Influenza seasonality Inner speech Insect population decline Insect flight evolution Instinct and Inheritance Intelligence Intelligence inheritance Intergalactic stars Interstellar comets Interstitial cystitis The Interstitium Intraoperative Awareness Invar alloys Iodine - Starch test Ionised air Irrational numbers Isoprene emissions from plants Isotretinoin Isthmian script The Jacobian conjecture Jet stream migration Jiahu symbols Juggler sequences Jupiter's core Jupiter - atmospheric heating Jupiter - radio aurora Kavain Kawasaki disease The Kelvin problem (3-D packing) Keratoconus Ketamine (treatment for depression) Ketogenic diet Khitan scripts Kidney stones Kimura disease King Arthur Kissing The Koide formula Kuiper Cliff Kwashiorkor Kyrle disease Labyrinthitis Lacosamide Lamotrigine Language Acquisition Language evolution Laughter Leaf fenestration Legendre's Conjecture Lehmer's totient problem Lemoine's conjecture Leukoedema Levetiracetam Lithium-ion batteries The Liar Paradox Lichen sclerosis Liesegang rings Defining Life Life on Earth (timespan) Lightning Lignin synthesis Limb Regeneration Linear A script Lip colouration Lipomas Lithic spheroids Lithium (treatment for bipolar disorder) The Littlewood conjecture Liturgical Combs Liubo (ancient Chinese board game) 'Liver' spots Living fossils LLSVPs (superplumes) Location mapping Lodestone 'Log' etymology Long period magnetars Lottery ticket swaps Lunar Rilles Lupus Macrophages Macular degeneration 'Mafia' etymology Magnesium sulphate Magnetic monopoles Magnetoreception Mal de debarquement 'Malarkey' etymology Male Pattern Hair Loss Mammilary bodies Mantle plumes The Map Folding problem Marcescence Marine calcium carbonate balance Mars - methane Mars Ocean Masochism (physical) Mass The philosophy of mathematics Mayan Collapse Maypoles Mild Cognitive Impairment (MCI) ME / CFS Meditation Meganisoptera Meissner corpuscles Melanin and UV protection Memory Age-related memory decline Ménière’s disease Meningiomas Menopause Menstrual synchrony Meprobamate Mercury - formation Mersenne primes The Mesentery Mesoamerican nephropathy Messinian salinity crisis Metallic catalysts Metallic whiskers Metamizole Metaxalone Metformin Global Atmospheric Methane Cycle Methane hydrates Methocarbamol MEWDS Micro Black Holes Microbiome interactions Microgravity Immune Suppression Microplastic pollution Microplastics and human health implications Microvascular angina Midlife Crisis Migraine Millisecond pulsars Mima mounds Min Min lights The Mind / Body problem Minoxidil Mirror Syndrome Mirror Therapy Misattributed Artworks Misophonia Missing baryons problem MLC conjecture Modafinil Moles (skin feature) Monarch Butterfly migration Monogamy The Moon formation The 'Moon Illusion' The Moral Superiority Illusion Morning Sickness Morphea Moths and light attraction Motion sickness Motor Neurone disease Mouth ulcers (RAS) The Moving Sofa problem Mozart's death Mpemba effect Multiple sclerosis Mucociliary Clearance Multicellular organisms Multicopy single-stranded DNA Muon magnetic moment Muscle memory The muscle synergy hypothesis Musical appreciation Musical pitch perception Mustatils Myeloma Non-Alcoholic Fatty Liver Disease - NAFLD Naked mole-rat - cancer resistance Naked singularities Nanochemistry Narcolepsy Narwhal Tusks Nasal Polyps The Navier-Stokes equations and smoothness Nazca lines New Brunswick Neurological Syndrome Non-celiac gluten sensitivity (NCGS) Neanderthal behaviour Neanderthal extinction Negative Mass Neolithic population decline Nettle stings Neural Networks Neural regeneration Neurofibrillary tangles Neuromelanin Neuromyotonia Neuronal noise Neuronal recycling hypothesis Neuropathic pain Neuropoiesis Neutral atomic nuclei Neutrino mass Neutron CP problem Neutron decay Neutron stars The Newman conjecture Nicolau Syndrome Nimesulide Nitrifying bacteria Non-hypoglycemia Novikov conjecture NS5A inhibitors The Nuclear Matrix Nuclear movement in plants Number of species Numerical cognition Nuraghes Foliar nictinasty Obesity and cancer Obsessive-Compulsive disorder Oceanic CO2 absorption Octopus camouflage Odd 'Perfect Numbers' Odorousness of chemical compounds Origins of Oil, Gas, and Coal The Olmec Civilisation 'On Water' reactions Oncogenes Oppermann's conjecture Optic chiasm Orchid dormancy Odd Radio Circles Organogels Ormeloxifene Orthostatic hypertension Osteoarthritis Osteochondritis dissecans Osteochondromas Outfielder problem The Ouzo Effect Ovarian aging Overtraining syndrome The Oxygen Effect (radiology) Oxygen Evolving Process (EVP) Oxyphil cells Ozone Depletion Events Ozone depletion anomaly The 'P versus NP' problem Autoimmune pancreatitis Paracetamol Paraspeckles (cell component) Parkinson's disease Parsonage-Turner Syndrome Paternal age hypothesis Pearl formation 'Penguin' etymology Perfect Cuboids Perforated batons Periodic Table standardisation 'Pernickety' etymology Perniosis Persistent luminescence Personhood PES (pseudoexfoliation syndrome) 'Pet' etymology Peto's paradox PFAPA PFAS pollution Phantom pain Phobias Phosphenes Photic Sneezing Photodarkening Photoisomerization Photoluminescence in animals Photomultipler dark rate anomaly Photonic magnetisation Photosynthesis Pi (π) normality Pica Pigeon navigation Pinguecula Pit Alignments Placebo effect The 'Plain of Jars' Planet formation Planetary Nebulae structure Plant communication Electrical activity in plants Movement and proximity sensing in plants Plasmodesmata Polymorphous light eruption (PLE) 'Plot' etymology Premenstrual dysphoric disorder (PMDD) Medically induced coma neuropathy Psychogenic Non-Epileptic seizure (PNES) Postoperative cognitive dysfunction - POCD Pointing (behaviour) Poliomyelitis Pollen Tubes Pollinator constancy Polycystic ovary syndrome Polypeptide antibiotics Positron excess Post-concussion syndrome Postpartum depression Post-polio syndrome 'Prawn' etymology Precordial Catch Syndrome Pre-eclampsia Prime Numbers Primidone Primordial Soup Prion replication Unknown protein-functions Protein Knotting Protein structuring Proton Hopping Proton Mass Calculations Proton poliarizability Proton radius puzzle The Proton Spin Crisis Proton structure Psoriasis Psoriatic Arthritis (PsA) Paroxysmal Supraventricular Tachycardia Psychedelic drugs Psychobiotics Psychogenic pain Psychosomatic prevalence Post-Treatment Lyme Disease Syndrome - PTLDS Post-traumatic stress disorder (PTSD) Pubic Hair Pumapunku The Pyramids - construction Quantum 'Cheshire Cat' phenomena Quantum mechanics Quark and lepton 'generations' Quarks Queen Mother's birthplace Radiation hormesis Radioactive decay Radioactive decay neutrino anomaly Radiotrophic Fungi Raindrop formation Random numbers Ranolazine Raynaud's syndrome 'Reality' perception Reboxetine Redshift quantisation Referred itch Relaxors REM (Rapid Eye Movement) sleep Respiratory rhythm Restless leg syndrome The Return Trip Effect (RTE) Reye's syndrome Rheumatoid Arthritis Rheumatoid nodules Rhinophyma Rhythm perception The Riemann hypothesis Ringstones Roanoake colony enigma Rogue waves Roman dodecahedra Rongorongo Rosacea RuBisCO anomaly Rufinamide 'Rule of Thumb' expression etymology The saccular lung Salt preferences Sand dune formation Sand pile 'revolving rivers' Spaceflight-associated neuro-ocular syndrome (SANS) Sarcoidosis Sarcopenia The Sardine Run Saturn's polar 'hexagon' Saturn's rings Savant syndrome Sick Building Syndrome Schanuel's conjecture Schizophrenia 'Schooner' etymology Schrödinger equation paradox Scoliosis Stony Coral Tissue Loss Disease Sea level rises The 'Sea peoples' Sea slopes Sea Surface Microlayer Sea-slug Kleptoplasty Sea Star Wasting Disease Self-Organized Criticality Self avoiding walks Serial position effect Sexual reproduction 'Shark' etymology Shingles Shinrin-yoku (forest therapy) Ship tracks (climate impact) Schnitzler syndrome Shoe concealment The Scholz conjecture Sichuan pepper Sudden Infant Death Syndrome (SIDS) Siestas and cardio health Sighing Silbury hill 'Silkhenge' spider nests Is the Universe a Computer Simulation? Singlet fission (photo-voltaics) Health risks of sitting Sjögren syndrome Skyquakes Sleep The 'Sleeping Beauty' problem Sleepwalking Supplementary Motor Area Sense of smell - Olfaction Snake evolution Snake venom evolution Snapping hip syndrome (SHS) Sneeze center Snowball Earth Snowflake formation 'Soda' and 'Sodium' etymology Sodium aurothiomalate Solar Cycle Solar 'dynamo' Solar flares Solar spicules Sonoluminescence Sopite syndrome Sorites paradox Spacetime atoms Sparrow decline Spasmodic dysphonia Definition of species Species Extinction (mammalian) Speech perception Sperm count decline Spider web decoration Sporadic E propagation The square peg problem Squeaky Sand St. John's wort Staebler–Wronski effect Star formation Static electricity Stiff person syndrome The 'stopped clock illusion' 'Strange' matter Strawberry marks Stretching String theory Stromules Stuttering Suggestibility Sulfasalazine Sulphur dyes Sunflower sets Supersymmetry (SUSY) Synesthesia Szilassi polyhedron T Helper Cells Tail Weaponisation Tail-light shark Takotsubo syndrome Tropical Ataxic Neuropathy (TAN) Tarantism Tardive dyskinesia Taste TBI Dementia Tectonic subduction Telescoping effect Telomere lengths (ageing & disease) Tennis elbow Terrestrial gamma-ray flashes Testosterone and aggression Tetrahedrane Transient global amnesia (TGA) Thalidomide Thermoception Thermogenic plants Thermoregulation Thermotropism Third-hand smoke Thought Sums of three cubes Thylacine Tickling Time Awareness Time travel Arrow of Time Tinnitus Tip of the tongue Transcranial Magnetic Stimulation 'Toad' etymology Tolmetin Tonic Immobility Tornados Touch Tourette syndrome Toxoplasmosis Transient synovitis (of the hip) The travelling salesman problem Triboluminescent tape Trigger finger Triptans The Trojan Wars Tropical colourfulness Trypophobia TSEs (Transmissible Spongiform Encephalopathies) Tully Monster Turbulence Marine Turtle Migration Twinning rate and maternal age in humans Uddanam nephropathy Ulam's packing conjecture Ulcerative colitis Ultraluminous X-ray bursts Ultratrace elements The 'Uncanny Valley' hypothesis Expansion of the universe Universe shape and size Unruh effect Vacuum energy 'Vague' etymology Valproate Vascular dementia Venous Thrombosis Venus Flytrap mechanism Venusian Unknown UV Absorber The origins of viruses Visual Accommodation Visual Snow syndrome Vitamin C deficits Vitiligo Vitrified forts The Voynich Manuscript Wacker process Water - its origin Water molecule chemical bonding Water clusters Medicinal drug pollution in waterways Gastrointestinal weight-loss surgery Whale 'sailing' Whale Song Whale-song pitch decline Whale spermaceti organ Invention of the wheel White band (coral disease) Whiting events Wolf domestication > dogs 'Wonky' etymology Wookey Hole Cave System Cosmological wormholes Wrinkling in surfaces Wrinkly Fingers Writer's Cramp Wurtz Fittig reaction Xerophthalmia Yardangs Yawning Yips Zebra stripes Ziegler-Natta catalysts

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