Science

Wednesday, 4 February 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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Deimos
The Swift Crater is 1 km in diameter while the Voltaire Crater is 1.9 km in diameter.
They are located close to each other in the northern hemisphere, right near the prime meridian.
Fungi
Fungi have developed a high degree of metabolic versatility, which allows them to use a variety of organic substances for growth.
In some species, the pigment melanin may play a role in extracting energy from ionizing radiation such as gamma radiation.
Anorexia Nervosa
Anorexia is a Greek term meaning denial of appetite, or loss of appetite.
The adjective “nervosa” indicates the functional and unrestricted nature of the disorder.
Phobos
Phobos craters are named after astronomers who contributed to the study of the moon, and characters and locations from Jonathan Swift's “Gulliver’s Travels.”
One, for instance, is called “Skyresh,” It was a High Admiral of the Lilliput council.
Fungi
The fungus Ophiocordyceps unilateralis can take over ants.
Cordyceps species are parasitic fungi that live on animals - insect larvae or spiders - using them a ...
Mushrooms
There are mushrooms that hunt animals.
An example of such a mushroom is the oyster mushroom. When it lacks protein, it hunts nematodes by f ...
NASA
The second Crew Dragon mission, SpaceX Crew-2, set the record for the longest spaceflight by the U.S. after spending 200 days in orbit.
lava
Lava can take many different forms.
Common forms are aa, pahoehoe and pillow lava.
Ganymede
The surface of Ganymede is geologically very diverse.
On its surface, there are both geologically young areas and much older, darker, and covered with many craters.
Tears
Basal tears production drops with age.
Especially common for women, it is a result of hormonal changes after menopause.