Courses
Science
14 free courses in Science. Mathematics, physics, chemistry and biology, solved rather than only explained.
Courses to get you started
All free, all made by people who teach in public.
Crash Course Geology
by CrashCourse
3h 38m · Beginner
April 2026
Free22 lessons
MIT 18.642 Topics in…
by MIT OpenCourseWare
26h 12m · Intermediate
October 2025
Free22 lessons
Biology
by CrashCourse
10h 48m · Beginner
May 2023
Free51 lessons
MIT 18.200 Principles of…
by MIT OpenCourseWare
24h 42m · Intermediate
November 2025
Free20 lessons
All Science courses
Nothing here costs anything. No card, no trial, no account needed to watch.
MIT 18.642 Topics in Mathematics with Applications in Finance, Fall 2024
Instructors: Dr. Peter Kempthorne, Dr. Vasily Strela, Dr. Jake Xia View the complete course: https://ocw.mit.edu/courses/18-642-topics-in-mathematics-with-applications-in-finance-fall-2024 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP601Q2jo-J_3raNCMMs6Jves View previous versi
by MIT OpenCourseWare
26h 12m22 lessonsIntermediate1.5M views
Free
MIT 18.200 Principles of Discrete Applied Mathematics, Spring 2024
Instructors: Prof. Ankur Moitra, Prof. Peter Shor, Susan Ruff View the complete course: https://ocw.mit.edu/courses/18-200-principles-of-discrete-applied-mathematics-spring-2024 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61p2fXeXjNCrfNHFwyW-bl0 This course will teach you ill
by MIT OpenCourseWare
24h 42m20 lessonsIntermediate165K views
Free
MCAT Biology
UTD. Twice a week. Gap year M4. All gas, no brakes.
by Yusuf A. Hasan
20h 32m20 lessonsIntermediate836K views
Free
MIT 6.1200J Mathematics for Computer Science, Spring 2024
Instructor: Zachary Abel, Brynmor Chapman, Erik Demaine View the complete course: https://ocw.mit.edu/courses/6-1200j-mathematics-for-computer-science-spring-2024/ YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61VNvICqk2HXJTonnKgAc9d Elementary discrete mathematics for science
by MIT OpenCourseWare
31h 40m24 lessonsIntermediate645K views
Free
8.01 MIT Physics I - Classical Mechanics Dubbed in Turkish
Fizik I: Klasik Mekanik-Fiziğe Giriş -, Öğretmen Prof Walter Lewin Çevirmenler: Seydi Doğan Seslendiren M Haluk AR
by Lectures by Walter Lewin. They will make you ♥ Physics.
28h 51m37 lessonsIntermediate2M views
Free
Calculus 1 (Full Length Videos)
Topics: Review of Algebra/Trigonometric Concepts, Finding Limits, Derivatives and Derivative Techniques, Integrals and Integral Techniques, and Applications.
by Professor Leonard
44h 57m32 lessonsIntermediate25M views
Free
Phys 326 Quantum Mechanics II
Course web page: Cemal Yalabık (Spring 2024) Department of Physics Bilkent University
by Bilkent Üniversitesi
25h 13m31 lessonsIntermediate21K views
Free
Calculus 2 (Full Length Videos)
Calculus of Logarithmic and Exponential Function, Techniques for Solving Integrals, Series, and Calculus with Polar Coordinates.
by Professor Leonard
50h 3m27 lessonsIntermediate17M views
Free
Period Integrals of Algebraic Varieties and GKZ A-Hypergeometric Functions. S. Tanabe. Fall 2025
06.10.25
by Mathematics at HSE
17h 12m10 lessonsIntermediate1.4K views
Free
Intermediate Algebra (Full Length Videos)
Algebra skills including: Factoring Basic Polynomials, Solving basic equations, Rational expressions and rational equations, Graphing, Inequalities and Absolute Value Equations, Radicals and radical equations, Working with Quadratic equations, Exponential and Logarithmic equations, and Conic Secti
by Professor Leonard
54h 33m46 lessonsIntermediate2.7M views
Free
Phys 325 Quantum Mechanics I
Course web page: Cemal Yalabık (Fall 2023) Department of Physics Bilkent University
by Bilkent Üniversitesi
31h 32m38 lessonsIntermediate34K views
Free
Calculus - Limits Test Review
This calculus 1 playlist provides access to some free practice test questions on limits.
by The Organic Chemistry Tutor
18h 22m31 lessonsIntermediate582K views
Free
Physics With Calculus
This playlist contains videos with physics and calculus.
by The Organic Chemistry Tutor
17h 16m24 lessonsIntermediate12M views
Free
Characteristic Classes and Enumerative Geometry. KAZARYAN M. Spring 2026
20.01.2026
by Mathematics at HSE
39h 32m29 lessonsIntermediate2.9K views
FreeThe author has removed some lessons