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808 articles found
Business administration
One of the first things to consider when running a business is how to generate revenue through its services. Therefore, to sustain and grow a business, you should start with a clea
Physics
Black holes are among the most mysterious objects in the universe. This article looks at how they form, from dying massive stars to the first stars after the Big Bang, traces the h
Psychology
Psychologist Abraham Maslow divided basic human needs into five stages. This article introduces his hierarchy of needs, from physiological needs, safety, and belonging and love to
Physics
Nuclear physics is a branch of physics that studies the structure and properties of atoms and atomic nuclei, playing an important role throughout modern science and technology. Thi
Statistics
P-hacking is the practice of analysing data in different ways until a “statistically significant” result appears. We look at what p-values mean, the common ways p-hacking happens,
Statistics
An easy introduction to non-probability sampling in statistics, which selects samples based on the researcher's judgment or convenience, covering convenience, judgment (purposive),
Robotics
Why can computers beat chess champions yet struggle to pick up a cup? This article covers the origins of Moravec's paradox, its evolutionary explanation, examples from robotics, an
Economics
Life is a series of choices. From the smallest questions when we open our eyes in the morning, such as "Should I sleep for 5 more minutes, or get up now?", to major decisions that
Economics
The Laffer Curve is a hill-shaped graph showing that tax revenue is zero at both a 0% and a 100% tax rate, so some rate in between brings in the most. This article covers its napki
Economics
Price discrimination is the strategy of selling the same product or service at different prices to different groups of consumers. This article covers the concept, the first-, secon
Psychology
The Stanford Marshmallow Experiment studied self-control by asking young children to choose between one treat now and two treats later. This article explains how the experiment wor
Library & information science
This time, we will explore the concepts of primary (1st-order) and secondary (2nd-order) sources, which are commonly discussed in library and information science. These are among t
