Natural Sciences

Explore the principles of the physical and biological world, including physics, chemistry, and biology, from introductory to advanced levels.

13 subcategories ยท 1570 courses total

Ecology & Evolution
Investigate the interactions between organisms and their environment, and the processes that drive biodiversity. Study natural selection, adaptation, ecosystems, and population dynamics.
124 courses
Organic Chemistry
Study the structure, properties, composition, reactions, and synthesis of carbon-containing compounds. Essential for medicine, biology, and materials science.
123 courses
Thermodynamics
Investigate the relationships between heat, work, temperature, and energy. Learn the laws of thermodynamics and their application in engines, chemical reactions, and physical systems.
123 courses
Cell & Molecular Biology
Explore the fundamental unit of life, the cell. Study its structure, organelles, and the molecular processes that govern its function, including DNA replication and protein synthesis.
123 courses
Human Anatomy & Physiology
Study the intricate structure (anatomy) and function (physiology) of the human body. Explore the major organ systems and how they work together to maintain homeostasis.
123 courses
Quantum Mechanics
Delve into the fundamental theory of physics that describes nature at the smallest scales. Explore wave-particle duality, the Schrรถdinger equation, and quantum phenomena.
122 courses
General Chemistry
Learn the fundamental principles of chemistry, including atomic structure, chemical bonding, stoichiometry, and the states of matter. This is the foundation for all other chemistry disciplines.
121 courses
Classical Mechanics
Master the principles of motion, forces, and energy for macroscopic objects. Apply Newton's laws, conservation principles, and Lagrangian mechanics to solve physical problems.
121 courses
Biochemistry
Explore the chemical processes within and related to living organisms. Understand the structure and function of macromolecules like proteins, lipids, and nucleic acids.
119 courses
Astronomy
Explore the universe beyond Earth, including stars, planets, galaxies, and the cosmos. Learn about celestial mechanics, stellar evolution, and the tools used to observe the universe.
119 courses
Earth Science
Study the physical constitution of the Earth and its atmosphere. Learn about geology, oceanography, meteorology, and the processes that shape our planet.
118 courses
Electromagnetism
Study the interactions of electrically charged particles through electric and magnetic fields. Understand Maxwell's equations and their role in light, electricity, and magnetism.
117 courses
Genetics
Learn about heredity, genes, and the mechanisms of genetic variation. Understand Mendelian inheritance, molecular genetics, and the principles of gene expression.
117 courses