Last Updated on May 25, 2023 by Sara Assem Have you ever thought “What are the principal sources of energy on this planet, both natural or biological and artificial?” “What are the reactions that allow energy to be extracted from molecules?” “What is responsible for cellular respiration and photosynthesis?” “What is the cause of minerals formation and mobilization and changes …

Last Updated on April 3, 2024 by Nourhan Essam How do things move and how do they stay constant? How do airbags work in cars? How do planes fly in the air? How does the water flow? Why do buildings look static and not fall off? How do cars work? Only physics and physics discoveries can answer all these questions …

Last Updated on June 20, 2022 by Mostafa 2020 was not an easy year but PraxiLabs was able to achieve a lot of goals, whether in competitions, participations, or initiatives. PraxiLabs  was also able to develop and add many improvements to its virtual science labs. In this article, we will show the most important achievements for the year 2020.   …

Last Updated on June 18, 2023 by Sara Assem DNA and DNA Sequencing  DNA (Deoxyribonucleic acid) is a molecule that contains the instructions an organism needs to develop, live, and reproduce. These instructions are found inside every cell and are passed down from parents to their children.  DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate …

Last Updated on April 11, 2023 by Sara Assem If you study chemistry, you must have dealt with a substance characterized by its purple color, which is always found in a dark-colored bottle, and it can also stain your hands and clothes..  Yes, it is potassium permanganate, so what is this substance? Its properties? Its uses? And the purpose of …