Science

Sunday, 15 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
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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Titan
The average temperature on its surface is -179.2 degrees Celsius.
Due to the dense atmosphere and its distance from the Sun, only 1% of the amount of light that reach ...
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Earth
The Earth's atmosphere consists of many gases, most of which is nitrogen.
Nitrogen makes up about 78.1 percent of the atmosphere, oxygen 20.9 percent, and Argon 0.93 percent. ...
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Moon
It is the fifth largest moon in the solar system.
In size, it is second only to Ganymede, Titan, Callisto, and Io.
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Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.
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Enceladus
During Cassini's flyby on July 14, 2005, the spacecraft found an icy volcano on the moon's south pole.
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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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Moon
The other side of the Moon is called the far side, not the "dark side" as some say, because each part of our satellite is darkened for exactly the same period.
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Aurora
In the language of the Sámi people (the native inhabitants of Lapland), the name of the aurora "guovssahasah" means "the sun shining in the sky in the morning or evening".
The Sámi people claimed that creating a song about the aurora borealis is dangerous and threatens to draw polar light on themselves, which bode inevitable death.
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Silver
Silver occurs in nature in its native form (a rare mineral consisting mainly of metallic silver), along with sulfur, arsenic, antimony and chlorine.
It is also found in the ores: argentite (a rare mineral from the sulfide group), chlorargyrite (a ve ...
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Tears
Watery eyes may be a signal of dry eye syndrome.
Dry eye syndrome is caused by insufficient quantity or quality of tears, which prevents the proper lubrication of eyeballs. It causes excessive watering of the eyes, as a response to the irritation.
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17 facts about Titan
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
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
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
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
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
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
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 ...
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