Science

Friday, 2 January 2026

Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Nicotine

Nicotine is a strong neurotoxin - it affects the nervous system.

It affects the nervous system, causing pleasant experiences that can be compared to the effects of t ...

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Fungi

A mushroom called Hydnellum peckii growing in North America, Europe and Asia, secretes a red, bloody substance on a white cap.

It is a very rare mushroom, fully protected in Poland, it is placed on the Red List of Large-bearing Mushrooms with status E, i.e. "extinct".The mushroom is inedible but extremely decorative.

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Nicotine

Nicotine is a natural insecticide.

Plants such as tobacco produce it to repel pests - nicotine interferes with the neurotransmitters of insects and kills them.

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Moon

The density of the Moon is on average 3346,4 kg/m3.

It is therefore the second densest moon in the Solar System, second only to the moon Io.

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Moon

The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.

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Mushrooms

The element that distinguishes fungi from animal is the presence of cell walls and vacuoles, which in turn brings them closer to plants.

Fungi do not carry out photosynthesis, the cell walls of most fungi contain chitin, which is not fou ...

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Ganymede

Ganymede's core is composed of iron, which may be partially liquid and is surrounded by a thick mantle made of silicates.

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Enceladus

There are geyser-like fissures on the surface of Enceladus that eject streams of water vapor and dust into its atmosphere at speeds of about 400 m/s.

The ejected material rises to an altitude of 1500 km above the moon's surface.

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Milky Way

A galactic year is the period during which the Sun orbits the center of the galaxy.

It lasts about 230 - 240 million years. The solar system moves around the center of the Milky Way at an average speed of 230 km/s (828,000 km/h).

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Mushrooms

Mushrooms are of great importance in the development of civilization, due to their key role in making bread and wine.

Many species of fungi are used in food production: bread, spirits, cheeses. Some of them, like Penic ...

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17 facts about Titan

The largest of Saturn’s satellites

Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...

18 facts about amber

Fossilized tree resin

Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...

16 facts about liver

24/7 laboratory

The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...

29 facts about NASA

For the Benefit of All

The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...

16 facts about Aurora

Northern light that has delighted people for centuries

Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...

19 facts about Brain

Organic supercomputer

The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...

16 facts about Phobos

The larger of two moons of Mars

We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...