All facts — Page 37
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
1196 facts
A bottle of champagne contains about 49 million bubbles.
A study from the University of Reims calculated that a bottle of champagne contains about 49 million bubbles. The…
Parmesan cheese contains crystals that are considered a sign of quality.
Parmesan and other aged cheeses develop crystals of tyrosine and calcium lactate during maturation. These crystals…
Vatican City is the smallest country in the world, with about 0.44 square kilometres.
Vatican City has an area of just 0.44 square kilometres, making it the smallest country in the world. The population…
Bolivia has a navy, despite having no sea coast.
Bolivia lost its access to the sea to Chile in 1884, during the War of the Pacific. It still maintains a navy of…
Alaska is both the easternmost and westernmost state in the United States at the same time.
Alaska s Aleutian Islands cross the 180th meridian, which marks the international date line. That is why Alaska is…
The University of Bologna, founded in 1088, is the oldest in the world in continuous operation.
The University of Bologna was founded in 1088 and is considered the oldest university in the world in continuous…
Mansa Musa, emperor of Mali in the 14th century, is often cited as the richest person in history.
Mansa Musa ruled the Mali Empire between 1312 and 1337. His wealth came from gold and salt. During his pilgrimage to…
Constantinople was the capital of the Eastern Roman Empire for more than a thousand years.
Constantinople, now Istanbul, was the capital of the Eastern Roman Empire, also called the Byzantine Empire, from 330…
The Petrified Forest in Arizona has tree trunks more than 200 million years old.
The Petrified Forest in Arizona contains tree trunks that lived more than 200 million years ago, in the Triassic…
A rainbow is actually a complete circle, although we usually only see half of it.
Rainbows are complete circles formed by the refraction of light in raindrops. From the ground, we only see the upper…
The fire rainbow is a rare atmospheric phenomenon caused by ice crystals.
The fire rainbow, also called a circumhorizontal arc, has nothing to do with fire. It is an optical phenomenon caused…
Morning Glory clouds form in Australia and can be up to a thousand kilometres long.
Morning Glory clouds are cylindrical rolls that form in the Gulf of Carpentaria, Australia, and can stretch for more…
The human body contains enough sulphur to make about 200 boxes of matches.
The human body contains about 140 grams of sulphur, present in amino acids such as cysteine and methionine. This…
The human heart has a limited number of beats over a lifetime, about 2.5 billion.
The human heart beats about 2.5 billion times over an average 80-year life. This number is not a fixed limit, but an…
Mars has the largest canyon in the Solar System, Valles Marineris.
Valles Marineris, on Mars, is about 4,000 kilometres long and up to 7 kilometres deep. It is the largest canyon in…
There are more stars in the universe than grains of sand on all the beaches on Earth.
The estimated number of stars in the observable universe is about 10 to the power of 24. The number of grains of sand…
The Milky Way has a supermassive black hole at its centre, called Sagittarius A.
The Milky Way has a supermassive black hole at its centre, called Sagittarius A star. It has about 4 million times…
Apple's first computer was sold in 1976 for 666.66 dollars.
The Apple I was Apple's first computer, sold in 1976 for 666.66 dollars. It was hand-built by Steve Wozniak and sold…
The.tv domain belongs to the small country of Tuvalu.
The.tv internet domain belongs to the small Pacific island country of Tuvalu. The country licensed the domain in the…
It is estimated that about 100 billion human beings have ever lived on Earth.
This means that for every person alive today, there are roughly 15 people who have died in all of human history…
The Margherita pizza was created in 1889 to honor Queen Margherita of Italy, using ingredients to represent the Italian flag.
The red tomatoes, white mozzarella, and green basil were chosen to mirror the colors of the national flag, creating…
The first computer password was created in 1961 by MIT researcher Fernando Corbató.
Corbató developed passwords for the Compatible Time-Sharing System (CTSS) so multiple users could securely share a…
Millions of years ago, the Amazon River flowed westward into the Pacific Ocean, until the rise of the Andes reversed its course.
Before the Andes mountain range formed, the massive river drained into the Pacific. As the mountains rose, the river…
Earth's magnetic poles have reversed hundreds of times over the last billion years.
These reversals are caused by changes in the flow of molten iron in the Earth's outer core. The last major reversal…
