Daily Knowledge "Find a job you like and you add five days to every week."
[H. Jackson Brown, Jr.]
Quote of the Day, from brainyquote.com (2026/01/29)
Article of the Day
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Opifex fuscus is a species of mosquito that is endemic to New Zealand. They occur along the coast, where their larvae live in rock pools within the spray zone. To survive in this habitat, the larvae are able to tolerate a wide range of water salt concentrations. The larvae feed on algae and decomposing matter. They also have mouthparts that specialise towards either filter feeding or grazing, depending on what food sources are available to them. As adults the females feed on the blood of birds and humans. They have an unusual mating system where the males wait on the surface of the rock pools and mate with female pupae before they have matured into adults. They are widespread throughout the rocky coasts of New Zealand but have been displaced from the Otago region by the introduced species Aedes australis. The larvae are also known to be infected by the fungus Coelomomyces psorophorae, which uses copepods as intermediate hosts. (Full article...)
Current Events
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Image of the Day
Source: Wikimedia Commons.
On this day: January 29
January 29: Kansas Day in Kansas, United States
- 1845 – American poet Edgar Allan Poe's "The Raven" appeared in The Evening Mirror as the newspaper's first publication attributed to Poe.
- 1856 – Queen Victoria introduced the Victoria Cross, originally to recognise acts of valour by British military personnel during the Crimean War.
- 1891 – Liliʻuokalani, the last monarch and only queen regnant of the Hawaiian Kingdom, ascended the throne.
- 1911 – Mexican Revolution: The Magonista rebellion began when Mexican Liberal Party troops captured the town of Mexicali.
- 1991 – The first major ground engagement of the Gulf War began with the Iraqi invasion of Khafji, Saudi Arabia, recaptured three days later by Coalition forces.
- Albert Gallatin (b. 1761)
- Józefa Joteyko (b. 1866)
- Elin Rombo (b. 1976)
- Jean-Marie Doré (d. 2016)
Knowledge about Earth
Facts and Figures
- Age of Earth: ~ 4.568 billion years
- World Population: 7.3 billion (July 2015)
- Continents: 7 (Asia, Africa, North America, South America, Antarctica, Europe, and Australia)
- Mean Radius: 6371.0 km
- Axial Tilt: 23,44°
Image Source: Wikipedia - License: Public Domain (thanks to NASA)
Our Solar System
Our solar system consists of
1 star (Sun) and 8 planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune).
- 1 AU (astronomical unit) is roughly the distance between Earth and the Sun (about 150 million kilometres).
- The space probe Voyager 1 was launched by the NASA in 1977 and is meanwhile (autumn 2015) about 133 AU away from Earth.
Image Source: Wikipedia - License: CC BY-SA 3.0
Why you should extend your general knowledge:
There are many reasons why one should or wants to extend his knowledge.
First you should consider that "general knowledge" is knowledge which a group of humans - who belong together regional, temporal or otherwise - owns. Thus, it describes a basic understanding of specific categories of knowledge.
As the English philosopher Francis Bacon said before: "Wisdom is Power" [Bacon 1597].