All facts — Page 29
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
1196 facts
Dua's layer in the human eye was only discovered in 2013.
Dua's layer is a structure about 15 micrometres thick in the cornea. It is very strong and impervious to air…
Garum, a fermented fish sauce, helped date the eruption of Vesuvius.
Analysis of garum pots found in Pompeii revealed that the sauce was made with bogues, a fish abundant in the…
Milbenkase is a German cheese ripened with thousands of live mites.
Milbenkase is made with quark seasoned with salt and caraway, placed in wooden boxes with rye flour. The mites…
The Danakil Depression in Ethiopia is one of the hottest and lowest places on Earth.
The region sits at an average of 120 metres below sea level and annual temperatures often exceed 50 degrees Celsius…
In 1518, hundreds of people in Strasbourg danced uncontrollably for days.
The so-called dancing plague began with one woman, Frau Troffea, and spread rapidly. People danced until they…
The mantis shrimp delivers a punch so fast that the water boils and forms cavitation bubbles.
The mantis shrimp's punch reaches speeds similar to a .22 calibre bullet. When the appendage moves through the water…
Capuchin monkeys have been observed abducting baby howler monkeys in the wild.
Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys, a behavior…
The platypus has venomous spurs on its hind legs and glows under ultraviolet light.
The male platypus has venomous spurs behind its legs that can cause intense pain in humans. Its skin and fur also…
Cycads heat their reproductive structures up to 15 degrees Celsius above ambient temperature.
These ancient plants produce heat and emit infrared light to attract pollinating beetles. Heat pollination may be the…
CSIRAC, Australia's first computer, still works and could help with quantum computing.
CSIRAC is the fifth automatic digital computer ever built and the first in Australia. Built in the 1940s, it is still…
The night parrot, an Australian species, was rediscovered after 100 years without records.
The night parrot (Pezoporus occidentalis) is one of the world's most mysterious birds. It lives in remote regions of…
Japanese researchers discovered an unknown anatomical structure beneath the navel.
The structure is a dense vertical sheath that wraps around a fat pocket and extends deep into the connective tissues…
The human skull has microchannels connecting the inner surface to the brain.
Spanish researchers described a network of microchannels in the skull that could be key in neurological diseases…
In 2025, a tsunami in an Alaskan fjord reached 481 metres high.
The tsunami of 10 August 2025 in Barry Arm fjord, Alaska, was the second-highest ever recorded. The wave reached 481…
A submerged tropical island the size of Iceland was discovered in the Atlantic.
The island would have existed about 80 million years ago, driven by a mantle plume. The remains were found about…
The Hjortspring boat, 2,400 years old, was sacrificed in a Danish lake.
Denmark's oldest warship was deliberately sunk in a lake as an offering to the gods. Excavated in the 1920s, the…
Humans mastered fire 400,000 years ago.
Recent studies indicate that humans mastered fire about 400,000 years ago, not 1 million years ago as previously…
Cacti can take forms ranging from 18-metre columns to coin-sized balls.
The cactus family is extremely diverse. Some branch out like massive trees, others stand as columns reaching 18…
There are plants that appear to die completely in drought and come back to life with rain.
Known as resurrection plants, these species lose almost all their water and look dead. When rain returns, they…
In 2025, scientists discovered a material with impossible thermal behaviour in a meteorite.
Inside a meteorite kept for 300 years, researchers found a material that defies traditional physics theories. The…
Scientists filmed a live goblin shark at nearly 700 metres deep in the Pacific.
In 2025, rare footage showed a goblin shark swimming freely at about 700 metres in the central Pacific, near Jarvis…
A tiny blue octopus the size of a golf ball was discovered at 1,800 metres deep in the Galapagos.
The animal, found during a deep-sea expedition, has an intense blue colour and a shape that surprised scientists. The…
About 74 percent of people may have a type of giant DNA hiding in their mouth.
Researchers at the University of Tokyo discovered Inocles, extrachromosomal DNA elements with an average of 350…
Interoception is described as the human body's hidden sixth sense.
Interoception is a network of internal neural pathways that allows the brain to coordinate breathing, monitor…


