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The Scope of Physics01:17

The Scope of Physics

Physics is concerned with the interactions of energy, matter, space, and time, in order to discover the underlying mechanisms that underpin all phenomena. The word "physics" comes from the Greek word "phúsis", which means nature. Physics seeks to comprehend the natural world around us at its most fundamental level. It emphasizes the use of quantitative laws to do this, which could be valuable in other fields that want to push the performance boundaries of present...
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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Cell Division01:20

Cell Division

Cell DivisionCell division is the process by which cells reproduce to support growth, repair, and reproduction in living organisms. There are two main types of cell division – mitosis and meiosis.Mitosis is the process that produces identical cells for growth, tissue repair, and asexual reproduction. It ensures that each new cell receives a complete set of genetic material, maintaining the same number of chromosomes as the original cell.Meiosis is the process that creates reproductive cells...
Basic and Applied Science01:22

Basic and Applied Science

Basic and Applied ScienceScience is divided into two main areas: basic science and applied science. Basic science focuses on understanding the natural world and discovering new knowledge. Scientists study how things work, even if there is no immediate practical use for the information. Applied science takes discoveries from basic science and uses them to develop solutions to real-world problems. This includes advancements in medicine, engineering, and technology. Both types of science work...
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Branches of Earth Science01:30

Branches of Earth Science

Branches of Earth ScienceEarth Science is the study of our planet, including its land, water, air, and living things. It has five main branches, each focusing on different parts of the Earth.Geology is the study of rocks, minerals, and Earth's natural processes. Geologists learn how fossils form, how rivers shape the land, and how volcanoes erupt.Oceanography focuses on the ocean. Oceanographers study waves, marine life, and the ocean floor. Meteorology is the study of weather and the...
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Scientific Theories01:27

Scientific Theories

Scientific TheoriesA scientific theory explains natural events using facts, experiments, and observations. Scientific theories are not just guesses but well-tested explanations supported by strong evidence. Two well-known theories in the life sciences are cell theory, which states that all living things are made up of cells, and the theory of evolution, which explains how species change over time. Scientific theories continue to evolve as new discoveries emerge, helping us better understand the...
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