سه شنبه 31 ارديبهشت 1404 - 20 ذيقعده 1446 - 20 مي 2025
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Ouroboros
The Ouroboros, also spelled Ourorboros, Oroborus, Uroboros or Uroborus is an ancient symbol depicting a serpent or ...
Fact of the Day: China’s Population
One in every five people in the world is Chinese. China�s population is ...
The Tuskegee Experiments
The Tuskegee Study of Untreated Syphilis in the Negro Male[1] also known as ...
The Fact of the Day: Basenji
The Basenji is the worlds only bark less ...
History of Astronomy
In early times, astronomy only comprised the observation and predictions of the motions of objects visible to the naked eye. In some locations, such as Stonehenge, early cultures assembled massive ...
Assassin (game)
Assassin is a live-action roleplaying game. Players try to eliminate each other from ...
Fact of the Day: Africa
Africa is the second largest continent in the world, both in area as well as in ...
Fact of the Day: Skin
The skin contains approximately 640,000 sense receptors, scattered unevenly over ...
Kleenex
Kleenex is a brand name for a variety of products such as ...
Bonobo
The Bonobo (IPA: /bəˈnoʊboʊ/, Pan paniscus), until recently usually called the Pygmy Chimpanzee ...
Fact of the Day: Warm Weather
In 2008, the Hazards and Vulnerability Research Institute at the University of ...
Tonsillolith
A tonsillolith protrudes from the tonsilA tonsillolith (also called tonsil stone or calculus of the tonsil) is a ...
Identity Theft
Identity theft is a term used to refer to fraud that involves stealing money or ...
The Day of the Dead
The Day of the Dead (El Día de los Muertos in Spanish) is a holiday celebrated mainly in ...
The Fact of the Day: The First Years of Couple’s Life
Couples around the world who divorce tend to divorce around their ...
Riverboarding
Riverboarding is the North American name for a boardsport in which the ...
Hibernation
Hibernation is a state of inactivity and metabolic depression in animals, characterized by ...
Fact of the Day: The Tomato
The tomato is technically a fruit, not a vegetable. It was also ...
Astronomy
A giant Hubble mosaic of the Crab Nebula, a supernova remnant Astronomy (from the Greek words astro (αστέρι) = star and nomos (νόμος) = law) is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that ...
Fact of the Day: Onion
Onion is Latin for large pearl. A basket of onions was considered a ...
Fig Wasp
Fig wasps are wasps of the family Agaonidae which pollinate figs or ...
The Day of the Dead
The Day of the Dead (El Día de los Muertos in Spanish) is a holiday celebrated mainly in Mexico and by
Fact of the Day: Sun Energy
100,000,000,000 tons of dynamite would have to be detonated every second to ...
Hinny
A hinny is the offspring of a male horse and a female donkey ...
Knucklebones
Knucklebones also known as hucklebones, dibs, dibstones, jackstones, chuckstones or ...
Cyberpunk
Cyberpunk is a science fiction genre noted for its focus on high ...
Oil lamp
Oil lamp is a simple vessel used to produce light continuously for a period of
Crystal Gazing
The Shahnameh, a historical epic work written in the late 10th century, gives a ...
Scytale
In cryptography, a scytale is a tool used to perform a ...
Crystal Gazing (Part 1)
The Crystal Ball Scrying also called crystal gazing is a magic practice that ...
Pysanka
A pysanka is a Ukrainian Easter egg, decorated using a wax-resist ....
Strange loop
M. C. Escher − Drawing Hands, 1948.A strange loop arises when, by moving up or down ...
Aramaic alphabet
The Aramaic alphabet is an abjad, a consonantal alphabet, used for writing Aramaic. It is akin to the Phoenician alphabet, and became distinctive from it by the ...
Night lamp Holder
Print out the template. Cut out the outline of the star shape provided in the template. Place the star cutout on the card and ...
Holly and Ivy Garland
Cut the foam block into two equal pieces. Trim these to fit into each cylinder. Clip and hook the ...
Star-burst Candle Lantern
Draw the outline of a small star (of any shape) on one part of the plain paper. Cut it out. Using the cut-out as a template, form ...
Dried Fruit and Spices Wreath
Make your own dried fruits and vegetables. Cut the fruits (apples and oranges) into slices. Place them on a baking sheet in a warm oven for a few hours. You can also ...
Beaded Rainbow Catcher
Peel the protective backing sheet off the extra thick film. ut the design under the film and trace its shape using the gold outliner. Let the shape ...
Santa Faces
Cut out similar shapes as the template from the felt. Using glue, attach the face portion to the ...
Ping Pong Puddings
Pass a fine knitting through the center of each of the tennis balls. Paint the balls brown. Apply 2-3 coats of paint on each of the ...
Fairy on the Tree
Place a saucer on the silver foil and trace its circular outline on the foil with marker. Cut the circle out of ...
What Is Insomnia?
Insomnia is a sleep disorder in which a person experiences poor sleep or has trouble...
Time
Imagine there is a bank which credits your account each morning...
Major computer viruses
Major computer viruses over the last 25 years...
hole
The universe has a huge hole in...
meteor
In ancient times, objects in the night sky conjured...
Decoding Evolution of Flowers
Unlike moths and butterflies that are often brilliantly colored to warn potential predators that they carry toxins, flowers and the ...
What Is Color? How Is It Made?
de? S ome details have an important place in the minds of humans and they never change. Let us begin with trees, which are very familiar to us. The color of trees is most often either green or shades of green. It is ...
Chemical Weapons
Sulfur mustards are vesicants and alkylating agents, more commonly known as blister agents. They are olorless when pure but are generally a yellow to brown color and have...
Yellow Cosmos
mos Cosmos sulphureus (Asteraceae) A hardy, erect annual requiring very little moisture once established. A native of Mexico, it can easily adapt to all regions of the United States. The glowing, orange-yellow flowers...
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