Latest Post -:
“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…
The most common wild bird in the world is the red-billed quelea. The most common wild bird in the world is the red-billed quelea. It is a small, sparrow-like bird that is native to Sub-Saharan Africa. It belongs to the …
Killer whales, or orcas, are the largest species of dolphin. The killer whale can weigh up to six tons. Adult killer whales can be 23 to 32 feet long, about the size of a school bus. Despite seeming like identical …
Costa Rica has almost five percent of the world’s biodiversity, and is home to 10 percent of the world’s total bird species. Also called Finsch’s Parakeet, the Crimson Fronted Parakeet is actually a small parrot. Its most distinguishing feature …
A lightning strike happens when two clouds interact with each other, causing an imbalance that is manifested as an electrical discharge. Electrical discharges that we know as thunderbolts achieve a speed of 300,000 km/h (about 200,000 mph) when they flash …
Ocean deserts are areas of the ocean that do not receive enough ocean. They are oxygen-starved, or, in scientific terms, hypoxic. These deserts are also often called dead zones and can appear in numerous ways. These deserts have been rapidly …
Osteoporosis is a condition that affects the bones. Its name comes from Latin for “porous bones.” The inside of a healthy bone has small spaces, like a honeycomb. Osteoporosis increases the size of these spaces, causing the bone to lose …
What is Osteoarthritis? Osteoarthritis (OA) is the most common chronic joint condition. OA is also called wear-and-tear arthritis, degenerative arthritis, and degenerative joint disease. A joint is where two bones come together. Cartilage is the protective tissue that covers the …
Oral cancer is cancer that develops in the tissues of the mouth or throat. It belongs to a larger group of cancers called head and neck cancers. Most develop in the squamous cells found in your mouth, tongue, and lips. …
Obesity prevention begins at a young age. It’s important to help young people maintain a healthy weight without focusing on the scale. Breastfeed infants, when possible One 2014 analysis of 25 studies found that breastfeeding was associated with a reduced risk of …
Obesity is one of the biggest health problems in the world. It’s associated with several related conditions, collectively known as metabolic syndrome. These include high blood pressure, elevated blood sugar and a poor blood lipid profile. People with metabolic syndrome …
People living with obesity have higher chances of developing a range of serious medical issues. These health problems affect nearly every part of the body, including the: brain blood vessels heart liver gallbladder bones joints Nervous system Being overweight or …
What is obesity? Body mass index (BMI) is a calculation that takes a person’s weight and height into account to measure body size. In adults, obesity is defined as having a BMI of 30.0 or more, according to the Centers for Disease Control …
Nosebleeds are common. They may be scary, but they rarely indicate a serious medical problem. The nose contains many blood vessels, which are located close to the surface in the front and back of the nose. They’re very fragile and …
What is Neck Pain? Your neck is made up of vertebrae that extend from the skull to the upper torso. Cervical discs absorb shock between the bones. The bones, ligaments, and muscles of your neck support your head and allow for motion. …
What are Nausea and Vomiting? Vomiting is an uncontrollable reflex that expels the contents of the stomach through the mouth. It’s also called “being sick” or “throwing up.” Nausea is a term that describes the feeling that you might vomit, but aren’t actually …
Mouth ulcers, which include canker sores, are small sores that develop within the mouth. There are no definite causes of mouth ulcers, but some injuries, allergies, or sensitivities may trigger them. Mouth Ulcers: Symptoms, Causes, and Treatments Mouth ulcers …
Migraine is an often lifelong neurological disorder characterized by recurrent moderate to severe headaches, usually on one side of the head. Headache is a term used to describe a variety of different pain symptoms that originate from different parts of …
More than just the cause of “really bad headaches,” migraine is a neurological condition that can cause multiple symptoms. While intense, debilitating headaches frequently characterize it, additional symptoms may include: nausea vomiting difficulty speaking numbness or tingling What does migraine …