Cecilia Martinez (B.S.)

Cecilia Martinez (Licenciada en Humanidades) - AUTORA. Redactora. Divulgadora cultural y científica.

Architecture

What is a cornice?

The main part of the cornice that sticks out from the rest of the construction is called the drip molding . The lower part...

History and culture

Who were the “Sons of Liberty” of the United States?

Uncategorized

Examples of endothermic reactions

To understand the differences between endothermic and exothermic reactions, it is necessary to keep in mind the following: ...

biology

Natural and artificial methods of vegetative propagation

In vegetative reproduction or propagation there is no exchange of genetic material with another individual and in this way the new plant is genetically...

History and culture

What is a constitutional monarchy? Definition and examples

A constitutional monarchy is a form of government in which a monarch serves as the head of state, but his power is limited by...

Uncategorized

What is a negative slope?

A linear function has four possible types of slope: ...

History and culture

Where is the kingdom of Shambhala?

According to Hindu and Buddhist traditions, the kingdom of Shambhala is a mythical place located somewhere in the Himalayas, supposedly between the material and...

Chemistry

Chemical formula of baking soda

Baking soda has several uses in modern life. Some of them are: ...

Arithmetic

What you need to know about consecutive numbers

To obtain a consecutive number , one unit must be added to the previous number. That is, using this equation: ...

Japanese

What does “konnichiwa” mean in Japanese?

"Konnichiwa" is a common greeting in Japanese, often translated as "good afternoon" or simply "hello." But Japanese is a rich language with a variety...

History and culture

The twelve tribes of Israel

The geographical location of the twelve Israelite tribes was as follows: ...

Chemistry

What are colligative properties?

German chemist Wilhelm Ostwald was the first to introduce the concept of colligative properties in 1891. This name arose from his work on the...

Japanese

Different ways to say “I love you” in Japanese

Love, a universal emotion, finds unique expression in every culture and language. In Japanese, this sentiment is often conveyed with subtlety and nuance, reflecting...

Statistics

What is the interquartile range?

Understanding the Interquartile Range The interquartile range (IQR) is a measure of statistical dispersion and can be calculated using the formula: IQR=Q3–Q1 Where: IQR represents the interquartile...

Chemistry

What is a polar molecule?

A polar molecule is a molecule that contains polar bonds, that is, with positive and negative charges . It can also be defined as...

Philosophy

What are logical fallacies?

Logical fallacies are arguments that seem valid but actually are not . Generally, they are used intentionally to persuade or manipulate, and in some...

Chemistry

Atomic volume: what is it and how is it calculated?

Volume = 4 ⁄ 3 π r 3 ...

English

Inflectional and derivative morphemes in English: definition and examples

Inflectional and derivative morphemes exist in Spanish and in other languages, however, in this article we will talk specifically about how they work in...

Chemistry

What is chemical energy? Definition and examples

Some of the most important characteristics of chemical energy are: ...

Animals and Nature

How many eyes do spiders have?

Regardless of the number, spiders have two types of eyes: ...

History and culture

Themis, the blind goddess of justice

During the War of the Titans , known as the Titanomachy, Themis was an ally of Zeus and subsequently became one of his wives....

Geography

What is the difference between a hill and a mountain?

Although there is no general agreement on the height of mountains and hills, both have some defining characteristics that are essential to distinguish between...

History and culture

Tonatiuh, the Aztec sun god

Tonatiuh or Fifth Sun, was one of the most revered Aztec gods. He was the god of the sun and was associated with warriors...

Chemistry

What is a heterogeneous mixture?

Furthermore, a heterogeneous mixture can be converted into a homogeneous mixture through different processes. ...

History and culture

The Greek goddess Demeter and the abduction of Persephone

One of the most interesting myths in Greek mythology is the story of the Greek goddesses Demeter and Persephone (Proserpina in Roman mythology). Demeter...

Arithmetic

What is a conversion factor and how to use it

Measurements are based on patterns that never change their value. These standards have been internationally agreed upon and their use facilitates conversion between the...

biology

What are homologous chromosomes and what do they do?

Meiosis is divided into the following stages: ...

Physical

Units of energy: What is a joule?

Uncategorized

Quantum numbers: meanings and characteristics

The different theories gave rise to the four quantum numbers. These numbers are used to explain the characteristics of the electrons in an atom....

Sociology

Primary and Secondary Social Groups

Social groups can be classified into: ...

Chemistry

What is the mass number? Definition and examples

Although these two concepts can sometimes be confused, there are some differences between the atomic number and the mass number: ...

History and culture

French surnames: origin, meaning and examples

French surnames have different meanings, which allow them to be classified into several types. Most French surnames are divided into: ...

Chemistry

How to separate salt and water

The mixture of water and salt can be separated through different methods. The most common are the evaporation and distillation methods. In addition, there...

History and culture

The 20 most popular surnames in Japan

In Japan, as the population has grown, certain surnames have become notably common. These surnames are primarily written in kanji, one of the three...

Chemistry

Water: is it a substance or an element?

History and culture

Primary and secondary sources: their significance in history

They are also primary sources: ...

Chemistry

What is molecular weight? Definition

However, in chemistry , the term molecular weight refers to the molecular mass , which is the sum of the masses of all the...

Humanities

Who was the Greek god Zeus and what was his importance?

Zeus in Greek...

History and culture

Timeline of Mesoamerican cultures

Mesoamerican cultures such as the Olmecs, the Mayas and the Aztecs arose and developed in different regions and historical periods, and even, in several...

History and culture

Why did the ancient Olmec civilization disappear?

The Olmecs were one of the civilizations of Mesoamerica, the region that includes the territories that currently belong to southern Mexico and the countries...

Science