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“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
In a fertilized egg, the yolk provides a source of food for the developing embryo. As the chick matures, it pulls nutrients from the yolk until it is strong enough to break through and join its peeps on the farm. Have you ever cracked open an egg …
Tomatoes can give thanks to two of the pigments they use for photosynthesis for their color-changing transformation: chlorophyll and lycopene. Chlorophyll is green, and lycopene is red. When tomatoes first begin to grow, they contain mainly chlorophyll. This gives them …
Anteaters — sometimes called “antbears” — are four species of mammals from the suborder Vermilingua. The four species include the Giant Anteater, the Silky Anteater, the Southern Tamandua, and the Northern Tamandua. The Giant Anteater, as you could probably guess, is the largest of these species. It grows to …
Have you ever seen a Venus flytrap? If so, you may already know that its name is rather fitting. It certainly looks like a plant from another world! However, it’s very much a resident of the Earth, just like you …
Scientists will tell you that corals are indeed invertebrate animals. They belong to the colorful group of animals known as Cnidaria, which also includes jellyfish and sea anemones. These interesting creatures consist of a simple stomach and a single mouth …
The official name for those white spots is “punctate leukonychia,” and their most common cause is injury. Do you ever bite your nails when you’re nervous? Are you Are Corals Animals, Plants, or Rocks? Scientists will tell you that corals …
It’s true! Generally, humans can see light with wavelengths between 380 and 700 nanometers (nm). All the colors of the rainbow—from red down to violet—fall within that range. But ultraviolet (UV) light has wavelengths shorter than 380 nm. That means …
Do you have long eyelashes? If you don’t, you might wish you did, as they can make the eyes even more attractive. But why do we even have them? Many people use makeup and various tools to decorate and lengthen their eyelashes. Long, thick eyelashes can definitely be beautiful. They do …
Inkjet printers work by applying tiny droplets of ink to paper. This is usually done using one of two technologies. Thermal inkjet printers use heat to create bubbles of ink that “pop” out of the nozzle onto the paper. Piezoelectric inkjet printers use small …
a typical giraffe neck can stretch as long as six feet, the giraffe’s tongue usually measures 18-20 inches long. Why does a giraffe need such a long tongue? If you liked to eat acacia tree leaves as giraffes do, then …
When you raise the glass to your lips and tip it back, however, the pleasure of your thirst being quenched is tempered by a sudden pain. As the ice-cold liquid hits your teeth, they begin to throb with an uncomfortable feeling. If you’ve ever experienced this sensation, then you …
The air inside a thundercloud is very cold because it is so high in the atmosphere. This causes some of the moisture in the cloud to freeze. As the tiny bits of ice are blown around, they bump into each other, creating …
Smog is a type of air pollution caused by tiny particles in the air. The word comes from a mixture of the words smoke and fog and was first used to describe the hazy mixture of smoke and sulfur dioxide produced by the burning of large amounts of coal in London …
Many religions around the world have specific beliefs about how Earth began. Some believe a divine creator brought Earth and all of the things in the universe into being. Others believe that tangible, physical processes are responsible. In today’s Wonder of the Day, …
For many years, people believed (and some still do!) that the ocean is blue because it reflects the blue sky. The real reason the ocean appears blue does involve reflection, but it’s not because the ocean acts as a mirror to the sky. According to the National Oceanic and Atmospheric …
Snakes don’t have ears or eardrums as humans have. In fact, this lack of external ears — and observations that snakes don’t tend to respond to sounds — led many scientists to conclude that snakes were deaf. This was the …
Whether you’re still learning to read, struggling with reading, or already reading at an advanced level, you can always become a better reader. Let’s take a look at a few strategies used by those who have learned to become speed readers. If you’ve never …
They look a little bit like small telescopes you can hold in your hands. One end has a hole you can look into. The other end has a translucent paper or other material that lets light in. Inside the kaleidoscope, …