Science
63 courses·EN
Science topics are spectacular when they are taught well, and forgettable when they are not. These courses pair clear explanations with designer-grade visuals and a digital-human instructor you can interrupt with a question at any point — the way a curious learner always wants to.
Science is one of the subjects that benefits most from being taught rather than read. A diagram of the Earth's interior, a photograph of a distant galaxy, or a timeline of deep time teaches far more when someone walks you through it — and lets you ask the obvious follow-up question out loud. The Science hub collects courses built for exactly that. Each course is taught by a digital-human instructor, page by page, with visuals held to a designer-grade standard across every slide. Hold the talk button at any point to ask a question in plain language, answered from the course content. A short assessment closes each course, and your progress is saved across devices. Who these courses are for. Curious adults who never stopped wanting to understand the world; students who want a clearer, better-visualized explanation than their textbook offers; teachers looking for a supplemental resource they can assign; and anyone who finds most online science content either too shallow or too dry. What you can learn. Introduction to Astronomy — the scale of the universe, how stars and galaxies work, and how we know what we know about deep space. Introduction to Geology — the forces inside the Earth that shape its surface, from plate tectonics to the rock cycle. More subjects across the natural sciences are on the way. How to use this hub. Pick a topic, press play, and ask questions the moment something is unclear — the instructor is there to be interrupted. Every course is free to watch on its public link. If the topic you need is not here yet, you can build your own science course on the same engine in as little as fifteen minutes, with the same designer-grade slides and interactive assessment.
Courses in this topic
Moon Observation
This training teaches learners to observe the Moon, covering key features, phases, and techniques for effective lunar viewing.
14 slides·28 min
Planetary System Formation
This training explains how planetary systems form, covering the processes and stages from dust and gas to fully developed planets for astronomy enthusiasts and students.
14 slides·28 min
Expanding Universe Exploration
An overview of the expanding universe, covering key concepts and evidence for learners seeking to understand cosmic expansion and its implications.
15 slides·30 min
Small Bodies of the Solar System
Learn to identify and differentiate comets, asteroids, and meteoroids in this concise astronomy training for space enthusiasts and students.
16 slides·32 min
Milky Way Structure and Motion
This training explains the structure and motion of the Milky Way, helping learners understand its components, spiral arms, and galactic rotation.
14 slides·28 min
Telescopes Across the EM Spectrum
Explore how telescopes reveal the universe across different wavelengths, from radio to gamma rays, and what each part of the electromagnetic spectrum teaches us about cosmic objects and phenomena.
14 slides·28 min
Dark Matter and Dark Energy
An introductory course on dark matter and dark energy, covering the evidence for their existence and current theories about their nature in modern cosmology.
14 slides·28 min
Habitable Worlds Search
Explore the search for habitable exoplanets and the conditions that make a world capable of supporting life.
13 slides·26 min
Stellar Formation and Evolution
This training explains stellar formation and evolution, helping learners understand the life cycle of stars from birth to final stages.
14 slides·28 min
Astronomy Concepts and Vocabulary
Introduction to astronomy concepts and essential vocabulary, covering celestial objects, phenomena, and foundational terminology for beginners.
14 slides·28 min
Astronomy Starter Workflow
A practical guide for beginners covering the essential workflow to start observing the night sky, from choosing equipment to planning and conducting first observations.
14 slides·28 min
Astronomy Tool Selection and Workflow Design
Learn to select the right astronomy tools and design effective observation workflows, tailored for amateur and aspiring astronomers.
14 slides·28 min
Cosmic Dimensions and Scale
Explore the vast scale of the universe, from subatomic particles to cosmic structures, in this engaging presentation for curious learners.
15 slides·30 min
Night Sky Reading Fundamentals
Learn to identify constellations, navigate by starlight, and understand celestial motion. Ideal for beginners in astronomy and outdoor enthusiasts seeking foundational night-sky skills.
15 slides·30 min
Neutron Stars and Stellar Remnants
Learn how neutron stars form and behave, exploring their key properties, structure, and role in stellar evolution for astronomy students and enthusiasts.
14 slides·28 min
Galaxy Shapes, Motion, and Evolution
This training covers galaxy classification, motion, and evolutionary processes, designed for astronomy enthusiasts and students seeking a foundational understanding of galactic structures.
14 slides·28 min
Black Holes: Evidence and Misconceptions
Explore the science of black holes, separating fact from fiction, and understand the evidence behind these cosmic phenomena.
14 slides·28 min
Light, Spectra, and What They Reveal
This training explores how light and spectra reveal the composition, motion, and properties of celestial objects, equipping learners to interpret astronomical data through spectral analysis.
14 slides·28 min
Exoplanet Detection Methods
This training provides an overview of exoplanets and the methods used to detect them, teaching learners the key techniques scientists employ to identify planets beyond our solar system.
14 slides·28 min
Astronomical Distance Measurement Techniques
Learn how astronomers measure cosmic distances, from parallax to redshift, in this concise guide for astronomy enthusiasts and students.
14 slides·28 min
Introduction to Genetics: Traits and Inheritance
This training introduces fundamentals of genetics, covering traits, DNA structure, and inheritance patterns for learners new to the subject.
15 slides·30 min
Cloud Formation Fundamentals
Learn how clouds form through water vapor, cooling, and condensation processes. Ideal for weather enthusiasts and students seeking a clear, concise foundation in basic atmospheric science.
15 slides·30 min
Buoyancy: Density & Displacement
This training explains the physics of floating objects, covering density, displacement, and buoyancy for students and science enthusiasts.
14 slides·28 min
Simple Machines: Force & Advantage
Learn how simple machines multiply force, change distance, and provide mechanical advantage in this foundational physics training.
14 slides·28 min
Chemical Bonds: Atoms Joining and Sharing
Learn how atoms bond through ionic and covalent interactions to form molecules in this foundational chemistry training.
15 slides·30 min
Why Earth Has Seasons: Tilt & Orbit
This training explains how Earth's axial tilt, sunlight variation, and orbital path create the four seasons for a general audience.
15 slides·30 min
Electric Circuits: Current, Voltage, Resistance
Basic introduction to electric circuits covering current, voltage, and resistance for beginners.
14 slides·28 min
Solar System: Planets, Moons & Orbits
Explore the solar system's planets, moons, and orbital mechanics in this introductory training for astronomy enthusiasts.
16 slides·32 min
Plant Life Cycles: Growth & Reproduction
An overview of plant life cycles, covering growth, reproduction, and seed development for biology students.
14 slides·28 min
Earthquakes: Faults, Plates, and Waves
This training explains the science of earthquakes, including fault types, plate tectonics, and seismic waves, for learners seeking foundational geoscience knowledge.
16 slides·32 min
Evidence of Past Life
This training introduces learners to fossils, their formation, and how they provide evidence of past life on Earth.
16 slides·32 min
Stellar Life Cycles
This training explores the life cycle of stars, from formation to death, for astronomy enthusiasts and students.
16 slides·32 min
Introduction to Soil Composition
Learn the fundamentals of soil composition—minerals, water, air, and life—and their roles in supporting ecosystems.
16 slides·32 min
Atmosphere: Layers, Gases, and Pressure
This training provides an overview of the atmosphere's layers, composition, and pressure, designed for learners seeking foundational knowledge in atmospheric science.
15 slides·30 min
Symmetry Patterns & Transformations
A beginner-friendly introduction to symmetry, exploring patterns and transformations like reflections, rotations, and translations.
13 slides·26 min
Volcanoes: Magma, Eruptions, Landforms
This training provides an overview of volcanoes, covering magma, eruption types, and the landforms they create for geology enthusiasts.
13 slides·26 min
Food Webs and Energy Flow
This training explains how energy flows through food webs, helping learners understand the roles of producers, consumers, and decomposers in ecosystems.
12 slides·24 min
Acids, Bases, and pH
An introductory course on acids, bases, and pH, designed for beginners to understand fundamental concepts and measurement principles.
13 slides·26 min
Probability Patterns and Chance
An introductory course on probability, designed for beginners to understand patterns and chance through practical examples.
15 slides·30 min
Organizing the Periodic Table
This training introduces the periodic table's structure and organization, helping learners understand how elements are classified by properties and atomic number.
13 slides·26 min
DNA: Information in Living Things
This training introduces learners to the role of DNA as the carrier of genetic information in living organisms, explaining its structure and function in a clear, accessible way.
14 slides·28 min
Nitrogen Cycle: Matter in Living Systems
Explore how nitrogen moves through ecosystems, from fixation to decomposition, and understand its role in sustaining life.
13 slides·26 min
Natural Selection Dynamics
This training explains how natural selection drives evolution through variation, survival advantages, and genetic change over generations.
13 slides·26 min
Atomic Structure: Protons, Neutrons, Electrons
This training introduces the basic atomic structure, covering protons, neutrons, and electrons, for learners new to chemistry.
15 slides·30 min
Waves: Frequency, Wavelength, Energy
This training explains the relationship between wave frequency, wavelength, and energy for learners exploring basic physics concepts.
16 slides·32 min
Magnetism: Fields, Forces, and Earth
Explore the principles of magnetism, including magnetic fields, forces, and Earth's magnetic field, in this foundational physics training.
16 slides·32 min
Moon Phases, Eclipses & Orbits
Learn about the Moon's phases, orbit, and eclipses in this concise training for astronomy enthusiasts.
13 slides·26 min
States of Matter: Solids, Liquids, Gases
This training explores the three states of matter—solids, liquids, and gases—and is designed for learners to understand their properties and differences.
12 slides·24 min
Photosynthesis: Sunlight to Sugar
This training explores how plants convert sunlight into chemical energy, teaching learners the key stages and processes of photosynthesis.
15 slides·30 min
Thermal Energy Transfer
This training explains how thermal energy moves, covering the fundamentals of heat and temperature for learners building foundational physics knowledge.
16 slides·32 min
Carbon Cycle Through Earth Systems
In this training, learners explore how carbon moves through Earth's systems—atmosphere, biosphere, hydrosphere, and geosphere—to understand the carbon cycle's role in climate and life.
16 slides·32 min
Cell Structure and Function
This training provides an overview of cell structure and function, helping learners understand the basic building blocks of life.
12 slides·24 min
Scientific Thinking Fundamentals
This training teaches learners how to formulate scientific questions, evaluate evidence, and use models to explain natural phenomena.
16 slides·32 min
The Water Cycle and Earth Systems
An overview of the water cycle and its role within Earth's systems, designed for learners to understand key processes and interactions.
12 slides·24 min
The Science of Sound
A foundational course exploring the physics of sound, designed to teach learners how sound waves are produced, travel, and are perceived.
16 slides·32 min
Weather Systems and Patterns
This training covers the fundamentals of weather systems and patterns, helping learners understand atmospheric processes and forecast conditions.
16 slides·32 min
Introduction to Optics
An introductory course on optics exploring the properties of light and color for beginners.
16 slides·32 min
Introduction to Chemistry: Matter and Reactions
An introductory course covering the fundamentals of chemistry, including matter, its properties, and chemical reactions, designed for beginners.
16 slides·32 min
Introduction to Ecology
An introductory course for learners exploring fundamental ecological concepts, including ecosystems, biodiversity, and environmental relationships.
16 slides·32 min
How Electricity Works: Circuits & Energy
An introduction to electrical circuits and energy flow, designed for learners seeking a foundational understanding of how electricity works.
17 slides·34 min
Forces and Motion Physics
An introductory physics course exploring forces, motion, and their real-world applications for learners new to the subject.
18 slides·36 min
Introduction to Astronomy
A beginner-friendly course exploring the fundamentals of astronomy, teaching learners about celestial objects, the solar system, and basic observational techniques.
20 slides·40 min
Introduction to Geology
This training introduces the fundamentals of geology, covering Earth's structure, processes, and materials for beginners.
20 slides·40 min
FAQ
- Do I need a science background?
- No. These are introductory courses that start from first principles and assume no prior background.
- Can I ask questions during a course?
- Yes. Hold the talk button at any point and ask in plain language. The instructor answers from the course content.
- Are these good for students and classrooms?
- Yes. The courses are visual, paced for understanding, and end with an assessment, so they work well as a supplemental resource a teacher can assign. They are also free to watch.