Science

Saturday, 7 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?

Amber
Amber is associated with good luck and protection.
In some cultures, amber necklaces are gifted as good luck charms, to newborn babies to protect them from diseases, or as a marriage gift that represents eternal love.
Earth
The Earth has the only natural satellite - the Moon.
The moon is relatively large for a natural satellite. Its diameter is approximately ¼ the diameter of the Earth. It orbits the Earth at an average distance of 384.400 km.
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 ...
NASA
NASA has been sued for trespassing on Mars.
Three men from Yemen sued NASA in 1997 claiming that the agency trespassed on their property. They based their claim on the fact that Mars was given to them by their ancestors over 3,000 years ago.
Ganymede
Ganymede's tectonic activity may have occurred in the past, but it does not occur at present.
Moon
The period when the moon orbits the Earth is called a sidereal month, and it lasts 27,3 days.
Amber
Amber has been used as a medicine.
In ancient Rome, amber dust was mixed with honey to cure a sore throat, while mixed with water was u ...
Cosmos
The Solar System is located at a distance of 28.000 light years from the center of the Milky Way.
It orbits around the galactic center of gravity at a speed of 268 km/s. It takes about 230 million y ...
Earth
Due to the Earth's rotation, the diameter of the equator is 43 km larger than the polar diameter.
The Earth is therefore a slightly flattened ball - this shape is called a geoid.
Cosmos
Jupiter is the largest planet in the Solar System.
This gas giant is made up of 90 percent hydrogen and about 10 helium. The diameter of Jupiter is 139 ...