Skip to main content

TIMELINE: MEDICAL DISCOVERIES

Timeline of Medical Discoveries
Image courtsey: Pexels
For the good health, there is need of medicine when we fall ill.
And thus medical discoveries play a great role in our lives.
Let's take a quick look at the timeline.
  • 1543

    Andreas Vesalius - Publishes "De Humani Corporis Fabrica," advancing human anatomy.

  • 1796

    Edward Jenner - Introduces smallpox vaccination using cowpox virus.

  • 1847

    Ignaz Semmelweis - Advocates handwashing to reduce infection rates.

  • 1865

    Joseph Lister - Pioneers antiseptic surgery techniques.

  • 1928

    Alexander Fleming - Discovers penicillin's antibiotic properties.

  • 1945

    Jonas Salk - Develops polio vaccine.

  • 1950

    Paul Zoll - Introduces external cardiac pacing for heart arrhythmias.

  • 1953

    James Watson & Francis Crick - Reveal DNA's double helix structure.

  • 1967

    Christiaan Barnard - Performs first successful heart transplant.

  • 1978

    Louise Brown - First successful IVF birth.

  • 1983

    Kary B. Mullis - Develops the polymerase chain reaction (PCR) technique.

  • 1996

    Dolly the Sheep - First cloned mammal using somatic cell nuclear transfer.

  • 2003

    Human Genome Project - Sequences the entire human genome.

  • 2020

    COVID-19 Vaccines - Rapid development of vaccines to combat the pandemic.

  • Present

    Ongoing Medical Research - Continual advancements in treatment and technology.

Popular posts from this blog

25 Angular Intermediate Interview Questions & Answers | RG Dimension

25 Angular Intermediate Interview Questions and Answers (2025 Edition) | rgdimension 25 Angular Intermediate Interview Questions & Answers (Updated for Angular 17–18) Concise, clear answers covering modern Angular (standalone components, signals, inject(), hydration, control-flow, DI, RxJS, performance, and testing). Courtsey: Pexels 1. What are standalone components and when should you use them? Standalone components (introduced and stabilized in recent Angular releases) allow components, directives, and pipes to be declared without NgModules; they declare their own dependencies via the standalone: true flag and import array, which simplifies app structure, reduces boilerplate, and makes lazy-loading and micro-frontends easier — prefer standalone components for new features and greenfield apps while incrementally migrating module-based code when beneficial. /* e...

CSS Flexbox: Understanding the basics

Understanding CSS Flexbox: A Complete Guide Understanding CSS Flexbox: A Complete Guide What Is Flexbox? Flexbox, or the Flexible Box Layout, is a CSS layout module designed to align and distribute space among items in a container, even when their sizes are dynamic or unknown. It simplifies creating responsive and flexible web designs. Why Use Flexbox? Flexbox eliminates complex float and positioning hacks. It allows developers to easily align elements vertically and horizontally and to control spacing, order, and responsiveness effortlessly. How Flexbox Works When you apply display: flex; to a container, it becomes a flex container. All its direct children become flex items that follow the Flexbox rules for layout a...

CSS Interview Questions And Answers

50 CSS Interview Questions and Answers 50 CSS Interview Questions and Answers 1. What does CSS stand for? CSS stands for Cascading Style Sheets. It’s used to style and layout web pages. 2. What is the difference between inline, internal, and external CSS? Inline CSS applies styles directly to elements, internal CSS is within a <style> tag in HTML, and external CSS uses a separate .css file. 3. What are CSS selectors? Selectors are patterns used to select and style elements on a web page. 4. What is the use of the z-index property? z-index controls the stacking order of elements that overlap. 5. What are pseudo-classes in CSS? Pseudo-classes define a special state of an element, like :hover or :focus. 6. What are pseudo-elements? Pseudo-elements style specific parts of an element, like :...