Anteater

Anteater

The anteater is one of the most amazing mammals on our planet. Thanks to their unusual appearance, anteaters gained wide popularity among lovers of exotic animals. Eccentric artist Salvador Dali was the first man who had an anteater as a pet. It is possible that the appearance of this animal inspired him to draw his strange pictures. Anteaters belong to the order of half-toothed teeth. Armadillos and sloths are their distant relatives.

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Covalent Bond

Covalent Bond

A covalent bond meaning comes from two Latin words: “co” – jointly and “vales” – valid. Since a covalent bond occurs when a pair of electrons belonging for two atoms simultaneously. The formation of a covalent bond occurs only among the atoms of non-metals, and it can appear both in atoms of molecules and in crystals.

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Cytoplasm: Definition, Structure and Functions

Cytoplasm

What is cytoplasm? Cytoplasm is one of the main parts of the eukaryotic cell. Cytoplasm plays a very important role in the life of a cell; it unites all cellular structures, facilitates their interaction with each other. Besides this, the nucleus of the cell and all organelles are located in the cytoplasm. In other words, cytoplasm is the area of space outside the nucleus that consists of all cell organelles.

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Penguins – Inhabitants of Antarctica

Penguins

However, penguins live not only in Antarctica. These amazing birds inhabit… Africa, but only its southern part (South African Republic). What is the scientific name of a penguin? The word “penguin” according to one version of Welsh origin comes from the words “pen” – the head and “gwyn” – white. According to another version, the name of the penguins is of Latin origin, since the word “pinguis” means “fat” in Latin.

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Jupiter – the Largest Planet in Our Solar System

Jupiter

The planet Jupiter is the largest in our Solar System, besides the Sun. This is the reason why planet Jupiter was named after the main god of the ancient pantheon – Jupiter in Roman mythology (or god Zeus in Greek mythology). Who discovered Jupiter? What does Jupiter look like? Answers to all these questions and many more interesting facts about Jupiter are found in this article.

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Mitochondria: Structure, Function and Role in the Cell

Mitochondria

Discovery of mitochondria happened back in the 19th century. They attracted the attention of biologists by their elongated zigzag-like form. What do mitochondria mean in science? The term “mitochondria” is composed of two Greek words: “mitos” – string and “chondros” – grain. In our article, we’ll talk about why the mitochondria are so important, and what is the role of mitochondria in the cell

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Crystal Lattice in Chemistry

Crystal Lattice

All material substances exist in three basic states: liquid, solid, and gaseous. Yet, there is a state of plasma, which scientists consider to be the fourth state of matter, but our article is not about plasma. Do you know what table salt and a beautiful diamond have in common? Based on their structure, they are both solid objects. The solid objects (whether diamond or salt) have a special crystalline structure; they contain tiny interlocking crystals. This crystalline structure has a certain order, creating a crystal lattice. The crystal lattice is the arrangement of atoms in a crystal.

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First Law of Thermodynamics

First Law of Thermodynamics

The simplest definition of the first law of thermodynamics may sound like this: a change in the internal energy of a system is possible only under external influence. It is necessary to apply certain efforts from outside in order for some changes to occur in the system. These folk proverbs can serve as a peculiar expression of the first law of thermodynamics – “no water flows under a recumbent stone”, “you can’t easily pull a fish out of a pond” and so on. We can imagine that the fish is our closed system, any changes will not occur in it (the fish will not pull itself out of the pond) without our external influence and participation (efforts).

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Seals

Seals

Seals are the amazing representatives of the animal world of our planet. They connect both marine and terrestrial lifestyles. What are seals? In general, seals are all representatives of the order Pinnipedia, which means “fin-footed”. Seals are mammals which developed real flippers instead of traditional paws. What does a seal look like? Where do seals live? What seal species exist? Answers to all these questions and many more interesting facts about seals are found in this article.

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