Food & nutrition
Why a Cut Apple Changes Color: Enzymatic Browning
Enzymatic browning is the reaction in which enzymes in fruits and vegetables use oxygen to oxidize phenolic compounds into brown pigments. This piece covers how polyphenol oxidase
Articles to explore
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810 articles found
Education
A Bridge Laid Before New Knowledge: The Advance Organizer
Proposed by educational psychologist David Ausubel, an advance organizer is a broad, general idea presented before new material so it can connect to what learners already know. Thi
Chemistry
Key Effects of Metabolic Processes on Health and Disease
Metabolism is an essential process that supports all physiological functions in living organisms, playing an important role in maintaining and regulating life activities through va
Education
Pour It All in at Once and It Overflows: Cognitive Load Theory
Why does learning stall when there is too much to hold in mind at once? This article covers the origins of cognitive load theory and the limits of working memory, the three types o
Information technology
What Are the Applications and Outlook of the Internet of Things (IoT)?
The Internet of Things connects everyday objects to the internet so they can collect and share data. This article looks at what IoT is, the key technologies behind it, the fields w
Economics
The Higher the Price, the More People Buy: The Giffen Good
A Giffen good is a good whose quantity demanded rises when its price rises and falls when its price falls, going against the law of demand. We look at where the name came from, why
Logistics
A Clock That Measures Time Inside the Warehouse: Inventory Turnover
Inventory turnover shows how many times a business sells through and restocks its average inventory in a period. This article covers the concept, the formula with a worked example,
Economics
The Core of Microeconomics: The Game of Supply and Demand
Microeconomics is a branch of economics that analyzes the economic decisions of individuals and businesses, focusing on exploring the fundamental elements of economic activity and
Statistics
The Core of Data Analysis: Null Hypothesis vs. Alternative Hypothesis
What the null and alternative hypotheses are, how to set them up for hypothesis testing, how significance level and statistical power shape the results, and three worked examples f
Chemistry
A Solid That Dissolves in the Water in the Air: Deliquescence
Deliquescence is when a solid absorbs moisture from the air and then dissolves in the water it has absorbed. Learn how it differs from hygroscopy, the humidity at which solids begi
Library & information science
How to Read Library Call Numbers and What They Mean (Classification, Book, and Author Marks)
A library call number is the unique code on a book's spine that tells you where it sits and sets it apart from other items. This guide explains its parts: location marks, classific
Psychology
Causes of Burnout and How to Overcome It: A Path to a Healthy Life
Rapid technological advances and dramatic social changes in modern society are presenting many people with new challenges and considerable stress. These changes affect not only wor