Science

Monday, 5 January 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 Earth formed from a proto-planetary disk around the Sun about 4.54 billion years ago.
For its first billion years, it was a hostile, harsh, rocky place where life did not exist. According to research, the first living organisms appeared in Earth's oceans about 3.5 billion years ago.
Large Magellanic Cloud
The diameter of the Large Magellanic Cloud is approximately 14.000 light years.
Phobos
Phobos is one of the two natural satellites orbiting Mars.
It is bigger than its companion, Deimos.
lava
Lava can take many different forms.
Common forms are aa, pahoehoe and pillow lava.
Earth
Depending on the classification, there are five to seven continents on Earth.
According to the most common division, there are Europe, Asia, North America, South America, Africa, ...
Earth
Throughout its history, Earth has had four different atmospheres.
At first, it was surrounded by a primordial atmosphere, which consisted of the remains of proto-plan ...
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
It can hide life beneath its surface.
While its surface may be barren, it is likely that beneath its icy surface there may be an ocean tha ...
lava
Underwater eruption produces pillow lava.
It cools very quickly and splits into ellipsoidal, usually flattened lobes resembling pillows or loa ...
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.