Science

Tuesday, 31 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 ...

Did you know?

Titan
Rains of liquid organic compounds, mainly methane, fall to the surface of the moon from clouds consisting of methane and ethane.
Typically, cloud cover does not exceed 1% of the moon's surface, but periodically it can increase up ...
Find out more
NASA
The National Aeronautics and Space Administration agency was established on July 29th, 1958 by president Dwight Eisenhower.
It was a response to the launch of a Soviet artificial satellite Sputnik 1 in 1957.
Read all facts
Nicotine
Nicotine affects the human body in many different ways because it binds permanently and blocks the action of dozens of different types of enzymes.
In small doses, it has a stimulating effect on the body, causing increased secretion of adrenaline. ...
Find out more
Amber
A trade route between the North Sea, the Baltic Sea to the Mediterranean Sea, was called an Amber Road.
It was established to transport amber between Northern and Southern Europe.
Read all facts
Moon
The crushed and fragmented rock material that covers the Moon's surface is called regolith.
The thickness of the regolith cover in sea areas ranges from 3 - 5 m and in the highlands 10 - 20 m.
Read all facts
Earth
The largest tectonic plate is the Pacific one, covering an area of 103 million square kilometers.
Most of the plate is submerged under the ocean, the land area of the Pacific plate is only a part of ...
Find out more
Tears
Tears are distributed evenly by blinking.
Read all facts
Earth
The length of the day on Earth is constantly increasing.
In the first million years of the Earth's existence, the day lasted only four hours. From the very b ...
Find out more
Titan
The closest Cassini’s flight around Titan took place at an altitude of 880 km on June 21st, 2010.
Its aim was to check if Titan has its own magnetic field. As it turned out, it does not have a clear ...
Find out more
Brain
Docosahexaenoic acid (DHA) plays a key role in the proper functioning of the brain.
It is an organic chemical compound from the group of omega-3 fatty acids, therefore the consumption of polyunsaturated fatty acids is extremely important.
Read all facts
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 ...
Previous