The Daily Chat Box 2021- Educational Posts on Science and Technology

Contents [ hide ] How the Pandemics in the Past ended Pandemics have been troubling humanity for centuries. Overview Pandemics have been troubling humanity for centuries.  Though Covid-19 has caused loss of lives worldwide, it is not the deadliest Pandemic. In fact, its cousins, SARS and MERS are much more deadly.  History has seen even more ready diseases such are The Black Death and the infamous Spanish Flu pandemic. So I have prepared a list of how the pandemics in the past ended. Pandemics and Epidemics are also common now. What is Herd Immunity? Most pandemics end through a process called herd immunity. It is a process through which majority of pandemics end 1. The Black Death-Imposition of Quarantine Black Death, also known as Bubonic Plague was a pandemic caused by the bacterium Yersinia Pestis . It was a devastating Pandemic that started when 12 ships from the Black Sea docked at the port on Messina. When the people arrived, they saw a terrifying sight. Many sailors wer

     Why do Pandemics keep happening There was a time when people did not care about any disease. They were not afraid to go out or catch any disease. Then came COVID-19. Covid-19 caused havoc around the whole world. People were trapped inside their homes. Across the world, businesses suffered losses. During the second wave in India, its health system almost collapsed.  If we reflect back, we will realize that pandemics and epidemics are more common now than they used to be. But, why is that so?

How to Create a Java Program for Division. (With explanations) Java is a common Programming Language used nowadays. In this blog, I will show you how to create a simple Java Program for Division. Java is easy to understand. Java may look difficult but is very easy. If you are having problems in learning it, I have created a tutorial below on how to learn it. Believe me, it is very easy. 1.While writing a division program, you must start with import java.util.*;   Note: don't forget to write ";". It acts as a full stop.   2.Now you need to write "class" and the name of your program. 3.After that, you have to write a command. It is "public static void main()" 4. Next write the scanner class. Just write "Scanner x= new Scanner (System.in);" 5. Next, write "int" and any character such as a,b and c. Int means integer. 6. Now you have to write the output which will be visible to the visitor. So if my characters are a,b,c t

 Explained: What is causing deaths in Covid-19 patients? Hello reader. I am the writer of this blog. I am sorry that I could not post any blog the previous week. So I will publish 2 blogs this week.  Covid-19 is causing worldwide havoc. There has been a rise in the death rate too. But it is not caused by the disease. It is caused by the immune response. Let me explain. Many people with co-morbidities have weak immunity. So, when they get infected with any disease, their immune system starts to panic and overreacts to the disease. This is called Cytokine Storm . So what is a cytokine storm? To understand it, we need to know how our immune system reacts to covid-19 infection. During any infection, the immune system launches an immune response called the innate response. It is a natural response that releases cytokines, an important microscopic protein that acts as an alarm. They generate inflammation. Eventually, it releases a second wave of immune cells. This is called an adaptive respo