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What is Geometry?

Geometry is a term used to refer to a branch in mathematics that deals with geometrical objects such as straight lines, points and circles and other shapes. However, circles are the most elementary of geometric objects. The term geometry was derived from a Greek word, ‘geo’ which means earth and metron, meaning measure. These words [...]

What is Fluoride?

Fluoride is an element that occurs naturally in water, soil, foods and varied minerals like fluorite and fluorapatite. Out of all elements found on earth’s crust, fluoride ranks 13th in abundance. Fluoride is a chemical ion in the fluorine element. It contains one additional electron that makes its charge negative. In seawater, the amount of [...]

What is Conduction?

Conduction is a term used to describe the process of transferring heat from point to another using a substance. The speed at which heat passes through a substance differs from one substance to another. Metallic substances are considered to be good conductors of heat because the speed at which heat is transmitted through them is [...]

What is Chromatin?

Chromatin is a term used to refer to a mix of histone, DNA as well as other proteins making up chromosomes. It is contained in eukaryotic cell’s nuclear envelope. Chromatin is divided into a condensed form known as heterochromatin and an extended form known as euchromatin. The euchromatin form participates in transcribing RNA, the component [...]

What is Barometric Pressure?

Barometric pressure refers to the weight of air that presses on the earth. Barometric pressure is also referred to as air pressure. When the barometric pressure is low, it is an indication of rising weight of overlying air and high barometric pressure implies reducing weight of overlying air. Barometric pressure has a significant effect on [...]

What is DNA Sequencing?

Introduction: In order to determine which nucleotide is at what place precisely in a DNA molecule, the techniques of DNA sequencing are being made use of. A number of different techniques and methods are utilized in order to determine in which order the bases adenine, cytosine, thymine, and guanine appears within a strand of DNA. [...]

What is ISS?

ISS stands for the international space station which is the biggest space station or object that has gone into space. People may see the ISS even without any gadgets from the earth. The ISS is made up of external trusses, solar arrays, pressurized modules and other items and it was first launched in 1998. This [...]

What is a Factor Tree?

A factor tree is a method of generating the prime factorization of a regular number. The primary step in developing a factor tree is to discover a couple of elements whose item is the number that we are calculating. These two components are the first expanding in the factor tree. There are regularly a few [...]

What is Gestation Period?

The term gestation refers to the process through which a fetus or embryo develops in a female mammal. Generally, gestation applies to mammals as well as some specific non-mammals. During pregnancy, mammals can have only one gestation or even more than one gestation at a go. Gestation period refers to the time or duration over [...]

What is LPG?

LPG is the short version of Liquefied Petroleum Gas. LPG is an altered chemical compound of natural gas though LPG and natural gas are both hydrocarbons. LPG is made up of propane, which has 8 hydrogen atoms and 3 carbon atoms, and butane, which has 10 hydrogen atoms and 4 carbon atoms. When a comparison [...]

What is LCM?

LCM is an acronym for Least Common Multiple or Lowest Common Multiple. It is an integral aspect in mathematics distinguished as two or more multiples of a certain number. For instance, if you want to find the LCM of 3 and 5, you first need to least all the multiples of number “3”. That is [...]

What is Interval Notation?

An interval notation is a mathematical method of writing down a set of numbers along an axis. It is also used to describe a specific group of numbers along the X-Axis. In another way, it may be synonymous to a way of writing subsets of the real number line. Looking at the linear equation, the [...]

What is GLA?

GLA is an abbreviation for gamma-linoleic acid. GLA is an omega-6 fatty acid found mainly in plant-based oils like oils in borage seeds, evening primrose and black currant seeds. Omega-6 fats are regarded as crucial fatty acids. They are important in the health of human beings but are not generated by the body. Instead, these [...]

What is Ireland Known For?

Ireland is an island located west of the United Kingdom in the Northern part of the Atlantic Ocean. Ireland is separated from the UK by the Irish Sea, St. George’s Channel and the North Channel. Ireland is the largest and major island in the British Isles archipelago. Among the islands in Europe, it is the [...]

What is Refraction?

The term refraction simply refers to the bending of waves because of the variations in speed when these waves pass from one medium into another. Although people usually associate this phenomenon with light, it can also be linked with sound. Refraction occurs when waves travel from one medium to another at a particular angle, and [...]

What is Lake Effect Snow?

Lake effect snow refers to a type of snowfall which is localized and happens when a mass of cool air moves over a body of water that is warmer, and produces a temperature profile in the area’s atmosphere that can be considered as unstable. When this occurred, clouds form over the lake and transform into [...]

What is Genetic Drift?

Genetic drift, which is also called allelic drift, refers to the change in terms of the frequency of an allele or gene variant in a particular population because of random sampling. The alleles in a child are a sample of the parents’ alleles and probability has an influence on whether a particular person will survive [...]

What is Equilibrium?

Equilibrium refers to a particular state wherein there is no net change that is occurring. Equilibrium involves something which is regarded as balanced or stable, and this state is very rare. Typically, this state only happens for very limited periods of time until another factor interfere with the stability. The concept of equilibrium is essential [...]

What is an emulsion?

An emulsion is a substance that is created by adding two liquids that cannot combine with each other equally. Emulsions are also referred to as colloids wherein one substance will be the dispersing liquid while the other is the one being dispersed. Since the two liquids cannot be equally combined, there is a great tendency [...]

What is Composite Number?

Introduction: All integers greater than 1 are divided mainly into two groups, prime and Composite numbers. A positive number which has only itself and 1 as factors is a prime number while all other integers belong to the group of Composite Numbers. So, by definition: A positive integer divisible by another positive number other than [...]

What is fear?

In medical terms, fear is a series of reaction that occurs in the brain in response to a stress stimulant. The reaction ends with chemicals being released causing a rise in heartbeat, faster breathing and energetic muscles. This body response is commonly referred to as fight or flight. Fear may be stimulated by internal as [...]

What is Evaporation?

Evaporation refers to the process through which water transforms from liquid form to vapor of gas. It is the only way that water changes from liquid form so it can get back to water cycle in the atmosphere as vapor. Studies show seas, rivers, lakes and oceans contribute an estimated 90% of atmospheric moisture through [...]

What is Distributive Property?

Distributive property refers to a deep principle in math that helps it work. It is a rule that enables one stretch parenthesis and it is critical that anyone who wants to improve their ability to simplify expressions must understand. Expressions refer to phrases that are mathematical. Generally, there are two common kinds of expressions in [...]

What is Longitude and Latitude?

Longitude and latitude are the types of measurements that can be used to locate specific places on Earth. By using precise measurements of latitude and longitude, people can pinpoint where he is. These two related concepts were very useful for early navigators, and are even used until now for navigating the sea and land. The [...]

What is Feedback Inhibition?

Feedback inhibition refers to a situation where the resulting product in a reaction affects the enzyme that aided its production. This happens when the destructor binds to the next active holding site which varies from that which is attached to the first reactant. This causes the enzyme’s shape to change meaning it can no longer [...]

What is Entomology?

Entomology refers to the branch of science which studies insects, as well as their relationship with the environment and other organisms, including humans. Those who study this field are called entomologists and can make substantial contributions in different fields, such as biology, agriculture, human and animal health, chemistry, molecular science, and forensics. Studying insects can [...]

What is a Natural Number?

Also called counting numbers, natural numbers refer to the digits starting from 1, 2, 3, and so on. The number zero is not included if natural numbers are defined as the positive integers only. On the other hand, zero is included if the natural numbers are stated as non-negative integers. Basically, there is an infinite [...]

What is a Chemical Change?

A substance is considered to go through a chemical change when the molecular structure is modified or changed. It can be changed by mixing two or more substances together, or when energy is added into a particular substance. Either way, the chemical bonds that make up that substance are broken down and regrouped to form [...]

What is Eugenics?

Eugenics refers to the idea or social practice of promoting or improving the genetic quality of human beings. By selecting only the so-called ‘good’ genes and eliminating the bad ones, the overall genetic quality of people will be improved. People in the past including scientists, statesmen, and wealthy people among others supported the idea of [...]

What is lye?

Lye is an alkaline chemical that is considered to be caustic. Lye can be used in many ways, but it is also considered hazardous. Lye can be used to dissolve substances that are sticky like fat. It is also known to react quickly with other substances or materials. Previously, potassium hydroxide was the chemical compound [...]

What is Dew Point?

Dew point is the temperature when the air becomes saturated with water vapor. Dew point is reached when the air has cooled under consistent pressure until it has saturated with water vapor. This means that the water vapor’s condensation has the same rate as of the evaporation of liquid water. Dew Point explanation Consider that [...]

What is CCS?

Carbon Capture Storage (CCS) a technology used by industrial plants to inhibit the release of carbon dioxide into the atmosphere. Instead of allowing them to escape, industrial plants compress the carbon dioxide and inject them into a rock formation in the core of the earth where it is permanently stored. Another role of CCS is [...]

What is Budding?

Budding is a type of asexual reproduction wherein one organism reproduces another from a single cell division. The offspring is generally identical to the source and is not separated from the parent organism. Budding in plants is also known as vegetative propagation or grafting. It is a common method used by gardeners or botanists to [...]

What is FGM?

FGM stands for female genital mutilation, which people also refer to as female circumcision. This procedure involves the alteration of the genital organ of a female without any medical purpose. Generally, FGM is performed for religious and cultural reasons within certain types of communities. It is regarded as an essential part of raising and preparing [...]

What is Iberian?

Iberian are the prehistoric settlers of the southern and eastern of Spain and they called themselves as “Ibero”. This people gave their name to the whole peninsula. In the year of 8th to 6th B.C there was a large wave of migrants called Celtics and they decided to settle in northern and central Spain. Also, [...]

What is an isotope?

An isotope represents the different version of atoms contained in a single element found in the periodic table. It comes from the Greek word “same place.” Each element can have identical number of protons but different number of neutrons. Hence, the isotopes contained in the same element can bear the same atomic number but vary [...]

What is Primary Sources?

Primary Sources are documents, evidences or first- hand experiences directly connected to a certain topic or event. These materials are usually created during the time when the events or situations are happening. It can also be produced in a later time through autobiography, memoirs and the like. Primary sources can come in different forms such [...]

What is Aquaponics?

Aquaponics is the usage of aquaculture and hydroponics in one system. Aquaculture is the breeding and raising of fish while Hydroponics is the raising of plants in water. Even before the term Aquaponics was coined, this technology is traced back to the civilization of the ancient Aztec. They used to cultivate and grow crops using [...]

What is Atom?

An atom is the elementary building piece of a physical matter. An atom cannot be broken down further through a chemical means. When combined together, atoms make molecules that form majority of physical objects around us. Atoms comprise particles known as neutrons, electrons and protons. Protons contain positive charge while electrons contain negative charge. There is [...]

What is Archaeology?

Archaeology is the arm of anthropology that involves studying the prehistoric and contemporary past of human beings using material or factual remains. It is an interesting entry to the past. Archaeology analyzes material remains dating back to millions of years all the way to the modern 20th century world in order to get an in [...]

What is Antioxidant?

Antioxidants are elements of chemical nature that occur naturally and artificially. They are nutrients that contribute electrons and fight free radicals. Antioxidants can slow down the rate at which cells are damaged or stop it all together. Antioxidants are really not substances per se, but a behavior. Vegetables and fruits are important sources of normal [...]

What is air resistance?

The acceleration of an object depends on two variables which are the net force acting upon the object and the object’s mass. Remember Newton’s second law of motion? It pertains to how objects behave when all existing forces involved are not balanced. It also states that as the mass of an object is increased, the [...]

What is Lead?

Lead is a metal element that has the atomic number of 82. Its symbol came from the Latin word for waterworks, plumbum. Lead is naturally found of the earth’s crust in small quantity and comes within an ore together with silver, zinc or copper. Due to its abundance and malleability, Lead has been used in [...]

What is a Volcano?

A volcano is a landform which serves as a vent that allows molten rock from the mantle, called magma, to reach the surface of the earth. Magma that flows to the Earth’s surface is called lava, and this could reach the surface through an effusive eruption or an explosive eruption. How explosive a volcanic eruption [...]

What is MMBtu?

Btu is short for British thermal unit, a unit of measurement used in heating and other devices. When Btu is expressed with MM as in “MMBtu”, it corresponds to 1 million British thermal units. One Btu represents the amount of heat it takes to be able to raise the temperature by one degree Fahrenheit of [...]

What is butane?

Butane is a gaseous compound that is composed of four carbon atoms. It can either be found as the isomer n-butane or in the form of methylpropane or isobutane. This compound has no color and is highly flammable. It also liquefies easily. Butane is also classified as a natural gas and this simply means that [...]

What is Diopter?

Diopter refers to the measure of the optical power of a lens and is determined by the focal length. The diopter is always measured in meters and is expressed as the inverse of the focal length. For instance, a lens that is four diopter makes light focus at a 1/4 meter distance. A higher measurement [...]

What is Kuiper Belt?

Introduction: From the existence of this world, scientists have discovered thousands of hidden objects in the space and solar system. We know so much about our Solar System, its planets, moons, asteroids etc, but there still exist some hidden parts of the solar system which we are not aware of. Kuiper Belt is one of [...]

What is Avogadro’s number?

In the field of chemistry, Avogadro’s number refers to the number of units or particles in a given mole of substance.  Moles in chemistry represent the actual measure of the contents or units of a particular substance.  The unit or particle components of moles are then added up to come up with the Avogadro’s number. [...]

What is beta-carotene?

Beta-carotene is a natural chemical that belongs to the carotenoid family.  It is present in many plants and vegetables and provides the orange pigment or color to them.  Carrots and pumpkins for example derive their orange color from beta-carotene.  Aside from its pigment contribution to a variety of fruits and vegetables, beta-carotene also act as [...]

What are bacteria?

Bacteria refer to microorganisms that are present in almost any area or habitat on Earth.  From the deep soil under the Earth’s crust to the boundless oceans and seas, millions of these simple forms of life exist. They also come in different shapes and sizes but their most common characteristic is that these microorganisms do [...]

What is cellular respiration?

Cellular respiration is the metabolic process in cells that help them create usable energy from nutrients such as food. The basic process of cellular respiration involves conversion of nutrients from food into ATP or adenosine triphosphate, which is a type of energy that can be used for various cellular processes.  Without cellular respiration, ATP or [...]

What is asbestos?

Asbestos is a fibrous mineral that can naturally be found across the globe including the US, Canada, China, and Brazil among others.  This mineral used to be one of the most sought-after minerals by various industries because of its high durability and fire-resistant properties.  In the construction industry, asbestos was often mixed with cement to [...]

What is axiology?

Axiology is the study of value.  People are said to give different values to different things around them.  One thing may be highly valued for one person and it could be ignored and lowly regarded by another person.  Through axiology, the complexities involved in giving value to different things will be studied. Through axiology, people [...]

What is aspartame?

Aspartame is an artificial sweetener that is commonly used for a variety of processed food products. Through the synthesis of various amino acids, the known sugar-substitute called aspartame can be created.  The main components of aspartame include phenylalanine, methanol, and aspartic acid.  These combined ingredients are said to provide a sweeter taste compared to standard [...]

What is arrowroot?

Arrowroot refers to the starch sourced from the roots of the various plants.  Traditional arrowroot comes from the Maranta arundinacea plant which can be found in the Caribbean region. Other plants such as the Zamia pumila found in Florida, USA and Pueraria lobata in Japan, are also used to create arrowroot starch. The tapioca from [...]

What is an aquifer?

An aquifer refers to an underground layer of porous and permeable rock and other materials. This layer beneath the Earth’s surface allows groundwater to pass through various pores and small passages that are created by so-called unconsolidated materials.  Groundwater that is present in aquifers exist because of the porous and permeable nature of the rocks, [...]

What is Aquarius?

In the field of astrology, Aquarius is the 11th sign of the zodiac.  Named after the constellation of the same name, Aquarius represents the 11th part in terms of the Sun’s position in a celestial pattern over a one year period.  These parts are also referred to as signs with Aquarius representing the 11th sign. [...]

What is aquaculture?

Aquaculture refers to the practice of growing aquatic animals and/or plants in a controlled condition.  It may be done on freshwater or saltwater depending on what is preferred.  Fish is the most commonly grown animal in the field of aquaculture.  Other aquatic life that can be grown through the techniques of aquaculture include sea weeds, [...]

What is libido?

Libido is defined as a person’s sexual drive or desire for sexual activity.  In relation to science, all animals including humans have this so-called innate desire or longing for procreation. This inner desire is initially thought of as something biological in nature.  This is because a person’s hormonal levels are said to dictate whether a [...]

What is aerodynamics?

Aerodynamics refers to the field of science that deals with the study of air movement and its interaction or effect when it comes in contact with solid and moving objects.  The study of aerodynamics started with experiments regarding the theory of air resistance and its corresponding effect to moving objects. The first application of aerodynamics [...]

What is a zygote?

Zygote refers to the cell that is formed when the female egg cell joins the sperm cell that fertilized it.  In simple terms, the zygote represents the fertilized egg.  For humans and other organisms that contain multiple cells, the fertilized egg or zygote is the earliest part of the so-called embryo. This embryo will then [...]

What is neutralization?

In the field of chemistry, neutralization is a process that produces salt and water out of combining and acidic substance with a basic substance.  Acids and bases have opposite pH levels.  Substances, solutions, or compounds that have a pH of 1 to 6 are classified as acids.  Those with pH levels of 8 to 14 [...]

What is nanotechnology?

Nanotechnology refers to a broad technology based on the use of objects that are measured in nanometers.  These objects are so tiny and small that they cannot be seen by the naked eye.  This type of technology is used by various industries including medicine, manufacturing and aerospace among many others.  The basic concept involves the [...]

What is dark matter?

Dark matter is a type of matter that is hypothesized in the field of astronomy and cosmology to be something that appears to have no mass.  It is referred to as “dark” because this type of matter does not emit any electromagnetic radiation unlike the standard or conventional matter that people are familiar about.  The [...]

What is alchemy?

Alchemy is an ancient practice or tradition of creating something out of another thing.  In the past, alchemists were known transform objects like basic metals into gold and silver for example.  They are also able to create potions and elixirs to promote long life and youthfulness.  Alchemy was said to be practiced by ancient Arabs, [...]

What is absolute location?

Absolute location refers to the actual location of a particular place expressed in terms of latitude and longitude.  Latitude is the measured with the Equator as the basis and is expressed in terms of degrees to the north or south of the equatorial line.  Longitude meanwhile is also expressed in degrees to the west or [...]

What is khat?

Khat is a flowering shrub that can be found in parts of East Africa and southern parts of the Arabian Peninsula.  In many parts of the world, this plant is considered an illegal substance because of its cathinone and cathine content.  These substances are known psychoactive ingredients and may cause stimulation of the brain particularly [...]

What is FFN test?

FFN or fetal fibronectin test is a screening test done during pregnancy to determine whether a woman is expected to have premature labor at some point during late pregnancy. Some women are considered at risk to experiencing preterm or premature labor and a FFN test may help doctors determine probability and help affected women prepare [...]

What is lulav and etrog?

Lulav and etrog refer to the four species of plants that are considered sacred among the Jewish community. These plants were specifically mentioned in the Jewish holy book called the Torah as part of one of their religious celebrations. In the so-called Feast of Tabernacles or the Sukkoth, people are advised to wave the four [...]