Science

What is the Yerkes-Dodson Law?

What is the Yerkes-Dodson law? We all have experienced jitters before an exam or before going to the stage for a recitation competition. Sometimes this little performance anxiety pushes us to be our best. Sometimes an overload of this anxiety could really paralyze our ability to perform. Robert M. Yerkes and John Dillingham Dodson (1908) …

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What is Gossen’s Law?

Gossen’s Law Explained The Gossen Law was given by Hermann Heinrich Gossen, a German economist to explain his general observations of human consumption. To support his observations, he proposed two hypothesizes which later got converted into a law. It is also known as the ‘Law of Diminishing Marginal Utility’. The law of diminishing marginal utility …

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What is Occam’s Razor Law?

What is Occam’s razor law? Occam’s razor law was stated by philosopher William of Ockham. It is also known as the law of economy or the law of parsimony. The law says that, “pluralitas non est ponenda sine necessitate” meaning that ‘plurality should not be posited without necessity.” The principle gives precedence to simplicity. If …

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What is Hess’s Law?

Germain Henri Hess was born in Geneva, Switzerland. In 1830, Hess took up chemistry full-time, researching and teaching, and later became an adjunct professor of Chemistry at the St. Petersburg Academy of Sciences. He is known for his work in thermochemistry.  Hess’s law is also known as the Hess’s law of Constant Heat Summation. Read further …

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How Does A Solar Eclipse Occur?

A solar eclipse occurs when the moon passes in a direct line between the Earth and the sun. The moon’s shadow travels over the Earth’s surface and blocks out the sun’s light as seen from Earth. A solar eclipse is a spectacular phenomenon as the sun and the moon appear of almost the same size. …

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How Does A Honeybee Make Honey?

Introduction   At least twenty thousand different kinds or species of bees live on earth today. However, only seven of these species can make honey. They are called Honeybees. The first honeybees were probably lived in Africa about one hundred million years ago. Today, they can be found on every continent except one. There are no …

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