Science

Sunday, 3 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 ...

Did you know?

Earth
The Earth's atmosphere weighs approximately 5.15 trillion tons.
As much as 75 percent of the atmosphere is at an altitude of less than 11 kilometers. With each addi ...
Anorexia Nervosa
The rate of relapse after treatment ranges from 9 to 52 percent, with many studies reporting a relapse rate of at least 25 percent.
Relapse occurs in about one-third of people in the hospital and is greatest in the first six to 18 months after discharge from the facility.
Earth
The Earth, like all planets in space, is doomed to destruction.
Life on the surface of our planet has been wiped out many times by great cataclysms called great ext ...
Enceladus
The average density of Enceladus is 1.61 g/cm3.
Silver
Silver is a metal slightly harder than gold.
It is a very ductile and malleable metal with a shiny luster and can be easily polished.
Amber
Amber possesses electrostatic properties.
It can produce static electricity when negatively charged by applying friction. Because of that, ancient Greeks named amber “elektron,” which became the basis for the word electricity.
Large Magellanic Cloud
The Large Magellanic Cloud will collide with the Milky Way in about 2.4 billion years.
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 ...
Cosmos
The largest canyon both on Mars and in the entire Solar System is Valles Marineris, which stretches 400 kilometers, is 200 kilometers wide, and 10 kilometers deep.
The canyon is located just below the Martian equator.
NASA
The first Crew Dragon launch took place on May 30th, 2020.
Crew Dragon Endeavour was launched atop a Falcon 9 rocket, and docked at the ISS carrying Doug Hurle ...