Science

Thursday, 7 May 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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Earth
The lowest point on our planet is the Mariana Trench.
The depth of the trench located in the Pacific Ocean at its lowest point is 10.924 m below sea level ...
Graphene
In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.
As a result, diamond is a transparent, non-reactive insulator, and graphite is a black conductor, susceptible to chemical modifications.
Tears
Tears are made up of three layers.
Oily layer–smoothens the tear’s surface and prevents evaporation of other layers Mucous layer–allow ...
Earth
The largest part of the Earth's land is used for animal breeding (30 to 47 percent).
This is followed by wasteland and wilderness (24 to 31 percent), human forests (16 to 27 percent), arable farms (12 to 14 percent), and infrastructure (1 percent).
Titan
The largest crater on Titan’s surface in Menrva.
Its diameter is 392 kilometers, and its depth is 2.8 kilometers. It is located 20.1 degrees north of ...
Deimos
Deimos was discovered by American astronomer Asaph Hall on August 12, 1877, through a telescope at the US Naval Observatory.
It was not discovered accidentally, the astronomer conducted observations precisely to find the planet's natural satellites.
Milky Way
The disk of dark matter surrounding the Milky Way is about 2 million light-years in diameter.
It interacts with visible matter only gravitationally and remains invisible and undetectable in any other way. It is estimated that 90 percent of the mass of the Milky Way is dark matter.
Snow
Snowflakes falling on the water produce a penetrating sound.
This is the view of some researchers, claiming that a snowflake falling on water produces a high-fre ...
Snow
Snow is formed from the finest droplets of over-cooled water in clouds.
These droplets attach themselves to nuclei of crystallization, which can be, for example, dust parti ...
Amber
It is made up of about 78% carbon, 10% hydrogen, and 11% oxygen.