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810 articles found
Food & nutrition
Omega-3 fatty acids are nutrients involved in cell membranes and several physiological functions. Their effects on cardiovascular health, brain function, and inflammation have been
Earth science
Dew consists of tiny water droplets commonly seen in nature, but its formation and roles are highly complex and have important significance. Dew forms when water vapor in the atmos
Chemistry
Saponification is the chemical reaction in which fats and oils react with an alkali to become soap and glycerol. This article covers how the reaction works, why soap removes grease
Business administration
For many people who dream of starting a successful business, entrepreneurship is a journey filled with challenges and opportunities that go beyond a simple idea. It requires strate
Information technology
Why is pressing an elevator button twice safe, while double-clicking a payment button feels risky? This article explains idempotence—from its mathematical name to everyday buttons,
Chemistry
Environmental problems involving chemicals are recognized as among the serious environmental problems worldwide. Various chemicals released by human activities pollute the air, wat
Food & nutrition
The glycemic index is a value that shows how quickly and how much blood sugar rises after eating a particular food, relative to glucose (or white bread) set at 100. This article co
Social welfare
Empowerment is the process by which individuals and groups build the power to take part in and control the decisions that affect their lives. This guide explains its origins and co
Earth science
Tides, the periodic rise and fall of sea level, are driven mainly by the gravity of the Moon and the Sun. This article covers how tides work, the differences between high and low t
Film & media
Why do some dialogue scenes feel so natural? This article explains the split edit, which cuts picture and sound at different moments, and the difference between the J-cut, where so
Library & information science
We live in an age of 'information overload,' with an enormous amount of information and books pouring out every day. Everyone has probably experienced feeling overwhelmed about whi
Chemistry
Why does salted cabbage release its water overnight? This article covers what osmosis is, the three factors that drive it, everyday examples, and reverse osmosis, the technology th
