Fleas

Flea

Fleas are one of the most famous small parasitic insects. Most of the harm and trouble they cause to our pets: cats and dogs, but can also be dangerous for humans, since in some cases fleas can be carriers of dangerous diseases, such as pseudotuberculosis, listeriosis, and tularemia. What are the habits of these little parasites? What does a flea look like, where does it live, how to deal with fleas? Read this in our article.

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Oxygen

Oxygen

Oxygen plays a leading role among all the known chemical elements. Life on our planet wouldn’t arise without oxygen. Oxygen is the most common chemical element on Earth, accounting for 49% of the total mass of the earth’s crust. Oxygen is also part of the Earth’s atmosphere; part of the composition of water, and the composition of more than 1,400 different minerals, such as basalt, marble, silicate, silica, etc. About 50-80% of the total mass of tissues, both animals and plants, consists of oxygen. The important role of oxygen for the breathing of all life is well known.

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Iguana

Iguana

Iguana and chameleon are the most popular pet lizards. Yet if the chameleon has some use (it is a skilled flycatcher with its long tongue), then iguanas are simply beautiful reptiles (although, beauty is a relative term). What are the habits of iguanas? Where do they live? What do they eat? Read about all this further.

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Diffusion

Diffusion

The word “diffusion” of Latin origin – “diffusio” in Latin means “spread, dispersion.” In science, diffusion is the process of the interpenetration of microparticles upon the contact of different materials. The academic definition of diffusion is: “Diffusion is the mutual penetration of the molecules of one substance into the intermolecular spaces of another substance due to their chaotic motion and collision with each other.”

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Planet Uranus

Planet Uranus

The planet Uranus is one of the giant planets of our solar system (the third largest planet after Jupiter and Saturn). Uranus is famous primarily for its unusual movement around the Sun; unlike all other planets, Uranus rotates “retrograde”. What does it mean? If other planets (including Earth), are like moving spinning tops, then Uranus is like a rolling ball, and as a result, the change of day/night, as well as the change of seasons on this planet are significantly different.

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Koala Bear

Koala

Koalas (or Australian bears) could win the competition among the cutest animals of the world. Koala bear is so similar to the little teddy bear, so beloved by children. The word “koala” translates as “non-drinker” from one of the languages of the Australian aborigines. This name was given because koalas almost never drink water. Yet koalas drink water, but only in small quantities.

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Chemosynthesis

Chemosynthesis

What is chemosynthesis? The process of chemosynthesis is a unique phenomenon in biology. Chemosynthesis is an unusual type of nutrition of bacteria, based on the assimilation of carbon dioxide СО2 due to the oxidation of inorganic compounds. According to scientists, chemosynthesis is the oldest type of autotrophic nutrition (such nutrition, when the body itself synthesizes organic matter from inorganic), which could appear even earlier than photosynthesis.

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Lizard

Lizards

Lizards are very ancient representatives of the terrestrial fauna, as they existed in the distant times of the widespread domination of dinosaurs. The word “dinosaur” is translated as “big lizard” from Latin, although large lizards (dinosaurs) have disappeared forever from the face of the Earth, while their little relatives, ordinary lizards continue to inhabit our planet. What are the habits of these ancient reptiles – lizards? Where do they live? What do they eat? Read about all this further.

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