User Tools

    To create and edit articles, please register and log-in

Main Menu : categories & index etc.

Main menu
Click categories to expand


A-Z listingplugin-autotooltip__plain plugin-autotooltip_bigA-Z listing

This is an alphabetical index of all content pages.


Other categories

Utilities

Contact
Register

Also see

Importance Ratings
News
Legal
Donate/Sponsor
Curator's rationale



Twitter feedtwitter_logo.jpg



Feeds + s.e.o. etc.
rss / xml feed
sitemap file
A-Z listing (archived)


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

New and Recently-edited articles

These are recent changes to Wikenigma
Newest at the top. Click links to view . . .


New articles :

  • The Koide formulaplugin-autotooltip__plain plugin-autotooltip_bigThe Koide formula

    The Koide formula was discovered by Japanese theoretical physicist Yoshio Koide in 1981.

    It provides a relatively simple mathematical relationship for the masses of the Electron, Muon and Tau particles - and was later modified and extended to Neutrin…
  • Lipomasplugin-autotooltip__plain plugin-autotooltip_bigLipomas

    "Lipomas are benign tumors of fat cells (adipocytes) that present as soft, painless masses most commonly seen on the trunk, but can be located anywhere on the body. Lipomas usually range from 1- >10 cm. They are mesenchymal tumors and are found anywhere in the…
  • Photoluminescence in animalsplugin-autotooltip__plain plugin-autotooltip_bigPhotoluminescence in animals

    "Every year, more and more discoveries of photoluminescence in different mammal species are made. The more recent cases thus far have been in duck-billed platypus (Ornithorhyncus anatinus), New World squirrels (Glaucomys
  • Avian soaringplugin-autotooltip__plain plugin-autotooltip_bigAvian soaring

    Dozens of species of birds are expert at soaring (list). Using rising pockets of air which are slightly warmer than the surrounding air (called thermals) many species can travel hundreds - or even thousands - of kilometres with very little need to flap th…
  • Tennis elbowplugin-autotooltip__plain plugin-autotooltip_bigTennis elbow

    "Chronic lateral elbow pain (tennis elbow) is a common, frustrating, and idiopathic condition. Surgical and nonsurgical treatments are generally ineffective. Multiple attempts have been undertaken to understand this condition without success.
  • Turán's brick factory problemplugin-autotooltip__plain plugin-autotooltip_bigTurán's brick factory problem

    Turán's brick factory problem was devised in 1944 by Hungarian mathematician Pál Turán.

    As a WW2 prisoner, Turán had been forced to work in a Transylvanian brick factory, where his job was to move bricks, using hand-pushed rail-carts, fro…

Recently edited articles :

  • Common Cold seasonalityplugin-autotooltip__plain plugin-autotooltip_bigCommon Cold seasonality

    "The common cold is much more frequent in winter months, a trend that is seen in all countries of the Northern Hemisphere. Rhinovirus, the most common cause, shows peaks of activity in late autumn and early spring. [...] So far there has no ge…
  • Earth's core rotation speedplugin-autotooltip__plain plugin-autotooltip_bigEarth's core rotation speed

    In the 1990s, several different research groups independently published details of studies which suggested that the Earth's solid inner core is rotating slightly faster that the rest of the planet. (example study )

    Results indicated that th…
  • Aviation contrails (climate impact)plugin-autotooltip__plain plugin-autotooltip_bigAviation contrails (climate impact)

    Jet engines used in commercial and military aircraft typically burn carbon-based fuels (e.g. kerosene). When the fuel burns, a by-product is CO2, which is a potent greenhouse gas and contributes towards global warming.
  • Sarcopeniaplugin-autotooltip__plain plugin-autotooltip_bigSarcopenia

    "Sarcopenia, the decline in skeletal muscle mass and function without any underlying disease, is a major contributor to physical disability, poor quality of life, and death among the elderly [...] 40%–50% of individuals over 80 years of age suffer from thi…
  • Alice in Wonderland Syndromeplugin-autotooltip__plain plugin-autotooltip_bigAlice in Wonderland Syndrome

    'Alice in Wonderland Syndrome' (AiWS) (a.k.a. Todd's syndrome or dysmetropsia) is a neuropsychological disorder in which patients experience visual* distortions - so that surrounding objects can appear larger or smaller (or nearer of furthe…
  • Multicellular organismsplugin-autotooltip__plain plugin-autotooltip_bigMulticellular organisms

    It's generally assumed that during the evolution of lifeforms, there must have been some stage when single cells (unicelluar organisms) grouped together to form multicellular life.

    There are at least nine different major theories regarding how …
  • Earthquake predictionplugin-autotooltip__plain plugin-autotooltip_bigEarthquake prediction

    "In the 1970s, scientists were optimistic that a practical method for predicting earthquakes would soon be found, but by the 1990s continuing failure led many to question whether it was even possible. Demonstrably successful predictions of large …
  • Earthquake lightsplugin-autotooltip__plain plugin-autotooltip_bigEarthquake lights

    'Earthquake Lights' [ EQL ] are airborne luminosities associated with seismic activity - reports of them go back more than 2000 years.

    "With the beginning of seismology as a science in the 19th century, many scholars devoted time to reporting lumino…
  • The Koide formulaplugin-autotooltip__plain plugin-autotooltip_bigThe Koide formula

    The Koide formula was discovered by Japanese theoretical physicist Yoshio Koide in 1981.

    It provides a relatively simple mathematical relationship for the masses of the Electron, Muon and Tau particles - and was later modified and extended to Neutrin…
  • Photoluminescence in animalsplugin-autotooltip__plain plugin-autotooltip_bigPhotoluminescence in animals

    "Every year, more and more discoveries of photoluminescence in different mammal species are made. The more recent cases thus far have been in duck-billed platypus (Ornithorhyncus anatinus), New World squirrels (Glaucomys
  • Osteochondritis dissecansplugin-autotooltip__plain plugin-autotooltip_bigOsteochondritis dissecans

    Osteochondritis dissecans (OCD) is a degenerative bone condition in which cracks form in the in the articular cartilage of joints.The cracks lead to pain in the affected joint, as well as movement restriction.

    It can affect any joint, but in …
  • Grima (chalkboard scrapes etc)plugin-autotooltip__plain plugin-autotooltip_bigGrima (chalkboard scrapes etc)

    Certain sounds - a famous example being the sound of fingernails scraping a chalkboard - illicit strong feelings of discomfort, and even repulsion, in most people from most cultures across the world.

    (In Spanish it's called
  • Cachexiaplugin-autotooltip__plain plugin-autotooltip_bigCachexia

    Cachexia (CC) is the name given to weight-loss (mostly muscle, but sometimes also including fat) associated with cancer and a long list of other severe diseases. It's thought to affect as many as 70 million people worldwide.

    It's been found to be linked to ab…
  • Colonialityplugin-autotooltip__plain plugin-autotooltip_bigColoniality

    "The evolution of group living remains an outstanding question in evolutionary ecology. Among the most striking forms of group living are the enormous assemblages of breeders that occur in many colonial marine birds and mammals, with some colonies containi…
  • Coherersplugin-autotooltip__plain plugin-autotooltip_bigCoherers

    In the 19th century, surprising electrical properties were discovered in imperfect electrical connections between metals. A familiar example to the modern-day engineer is the intermittent faults caused by cold solder joints, other imperfect connections also in…

Dear reader : Do you have any suggestions for the site's content?

Ideas for new topics, and suggested additions / corrections for older ones, are always welcome.

If you have skills or interests in a particular field, and have suggestions for Wikenigma, get in touch !


Or, if you'd like to become a regular contributor . . . request a login password. Registered users can edit the entire content of the site, and also create new pages.

( The 'Notes for contributors' section in the main menu has further information and guidelines etc.)

Automatic Translation

You are currently viewing an auto-translated version of Wikenigma

Please be aware that no automatic translation engines are 100% accurate, and so the auto-translated content will very probably feature errors and omissions.

Nevertheless, Wikenigma hopes that the translated content will help to attract a wider global audience.



Further resources :

DOKUWIKI IMPLEMENTATION DESIGN BY UNIV.ORG.UK APRIL 2023