Explore courses

Explore Politecnico di Milano’s archaeoastronomy course on ancient monuments, naked-eye astronomy, landscapes and interpreting alignments.

Explore Rutgers’ astronomy course using NASA observations and DS9 to study images, stellar systems, supernova remnants and quasars.

Explore Rochester’s astronomy course on exoplanets, stellar evolution, galaxies and cosmic history through four central research questions.

Explore Edinburgh’s astrobiology course on life’s origins, extreme environments, habitable planets and the search for extraterrestrial life.

Explore Arizona’s astrobiology course on planet formation, exoplanet detection, habitability, complex life and searching for intelligence.

Explore Yale’s interdisciplinary cosmic-evolution course, connecting galaxies, Earth and life with philosophy, history and human meaning.

Explore Manchester’s physical chemistry course on thermodynamics, reaction kinetics and quantum chemistry, with virtual laboratory…

Explore Duke’s chemistry course on electronic structure, bonding, molecular geometry, gases and solutions, with prerequisites and study…

Explore Rice’s general chemistry course, developing ideas about atoms, bonding, reactions and equilibrium from observations and reasoning.

Explore DTU’s organometallic chemistry course on transition metals, ligands, hydrogen reactions and catalytic approaches to renewable…

Explore Pearson’s introduction to life’s chemistry, including water, carbon, chemical bonds and biomolecules through readings and…

Explore POSTECH’s thermochemistry course on gas laws, enthalpy, entropy, Gibbs energy and equilibrium, with numerical learning materials.

Explore Jason Dinsmore’s organic chemistry course on structures, mechanisms, stereochemistry and functional-group reactions with worked…

Explore Ajnish Gupta’s organic chemistry lectures on naming, isomerism, electronic effects and reactions, with guidance on their long…

Explore Joe Marc Valdez’s free organic chemistry course on naming, structures, functional groups and reactions for pre-university learners.

Explore Google Cloud’s short Gemini in Google Sheets course on creating project tables and refining prompts, with guidance on its limited…

Explore Leila Gharani’s Google Sheets course on formulas, QUERY, dashboards, imported data and automation, with exercises and preparation…

Explore Intellezy’s Google Sheets beginner course on workbooks, formulas, formatting, charts, printing and sharing, with first-project…

Explore Intellezy’s advanced Google Sheets course on logic, lookups, linked files, pivot tables, protection, macros and scripts.

Explore Todd McLeod’s Google Sheets course on formulas, charts, data filtering, pivot tables and macros, with hands-on study guidance.

Explore Tony Hat’s Google Sheets course on charts, Forms, lookups, QUERY, pivot tables and macros, with guidance on its recorded interface.

Explore TJ Walker and Jan Ekhteyari’s Google Sheets course on navigation, charts, pivot tables, functions and Forms, with beginner study…

Explore Andrew Kamphey’s focused Google Sheets dashboard course on layout, labels, visual choices and adding an interactive month selector.

Explore John Ciolkosz and Steve McDonald’s Google Sheets course on project workbooks, formulas, lookups and charts for beginners or Excel…