
Physics · Field mission
Free E-Books & Articles
Energy: follow the transfers
Track energy through motion, heat and electricity, and calculate a real gravitational energy change.
OpenStax · University Physics Volume 1 · 8.3 Conservation of Energy
For learners aged 16 and up
Languages, computing, AI and reference reading. Accounts under 18 require a parent or guardian.

Physics · Field mission
Free E-Books & Articles
Track energy through motion, heat and electricity, and calculate a real gravitational energy change.
OpenStax · University Physics Volume 1 · 8.3 Conservation of Energy

Biology · Field mission
Free E-Books & Articles
Understand transcription, translation and why a gene is not a simple destiny switch.
MedlinePlus Genetics · How do genes direct the production of proteins? · NHGRI · Ribonucleic Acid (RNA) Fact Sheet

Earth science · Field mission
Free E-Books & Articles
Trace carbon through oceans, organisms and the atmosphere, and separate weather from climate.
NOAA Education · Carbon cycle · NOAA Ocean Service · What is the carbon cycle?

Astronomy · Field mission
Free E-Books & Articles
Explore how stars form, why they shine, and how mass shapes their eventual fate.
NASA Science · Stars · NASA Science · Life Cycles of Sun-like and Massive Stars

Chemistry · Field mission
Free E-Books & Articles
Compare ionic and covalent bonding and use molecular structure to explain water’s properties.
OpenStax · Chemistry 2e · 7.1 Ionic Bonding · OpenStax · Chemistry 2e · 7.2 Covalent Bonding

Scientific reasoning · Field mission
Free E-Books & Articles
Distinguish association from causation and interpret sampling, uncertainty and hypothesis tests.
OpenStax · Introductory Statistics 2e · Chapter 8: Confidence Intervals · OpenStax · Statistics · 9.5 Additional Information and Full Hypothesis Test Examples
Global Languages
Practice everyday words in all supported languages, including Italian.
Wiktionary
Global Languages
Build a short conversation and explore freely editable language guides.
Wikibooks
IT & Computer Science
A practical path from semantic HTML to CSS layout and JavaScript.
MDN Web Docs
IT & Computer Science
Compare shared responsibility, cloud service models and cost trade-offs.
Microsoft Learn
IT & Computer Science
Study common web risks and defensive habits using OWASP guidance.
OWASP
AI & Prompt Engineering
Understand training, loss, overfitting and evaluation with an open course.
Google · Machine Learning Crash Course
AI & Prompt Engineering
Follow an open curriculum covering data preparation, visualization and ethics.
Microsoft · Data Science for Beginners
AI & Prompt Engineering
Explore examples, structured instructions and responsible evaluation.
DAIR.AI · Prompt Engineering Guide
Future Tech & Innovation
Survey neural networks, computer vision and natural-language processing.
Microsoft · AI for Beginners
Future Tech & Innovation
Learn the concepts of nodes, topics and messages in a robotics framework.
Open Robotics
Future Tech & Innovation
Turn user needs into accessible, testable design choices.
W3C Web Accessibility Initiative
Free E-Books & Articles
Read a peer-reviewed open biology textbook and explore free books.
OpenStax
Free E-Books & Articles
Search live book metadata and read Aesop’s public-domain collection.
Gutendex · Project Gutenberg
18 courses · Beginner, intermediate & advanced · English

8 study hours · 9 lessons
Create clear documents, apply consistent styles, and build long reports with automatic navigation.
Lessons · Practical activities · Assessment
Explore course
12 study hours · 9 lessons
Move from entering data to formulas, PivotTables, dashboards and repeatable analysis.
Lessons · Practical activities · Assessment
Explore course
6 study hours · 9 lessons
Design focused presentations, consistent templates and accessible visual stories.
Lessons · Practical activities · Assessment
Explore course
5 study hours · 9 lessons
Manage email, calendars, meetings and tasks with secure professional habits.
Lessons · Practical activities · Assessment
Explore course
4 study hours · 9 lessons
Understand what AI can do, where it fails and how to use it responsibly at work and at home.
Lessons · Practical activities · Assessment
Explore course
6 study hours · 9 lessons
Learn core AI concepts: machine learning, neural networks, language models, computer vision and evaluation.
Lessons · Practical activities · Assessment
Explore course
5 study hours · 9 lessons
Design AI agents that plan, use tools and act within safe boundaries and human approval points.
Lessons · Practical activities · Assessment
Explore course
10 study hours · 9 lessons
Build intuition for supervised and unsupervised learning, features, overfitting and model evaluation.
Lessons · Practical activities · Assessment
Explore course
10 study hours · 9 lessons
Follow the full data science lifecycle from question and data collection to modelling and communication.
Lessons · Practical activities · Assessment
Explore course
8 study hours · 9 lessons
Clean data, calculate useful measures, create clear charts and turn findings into recommendations.
Lessons · Practical activities · Assessment
Explore course
6 study hours · 9 lessons
Understand connected sensors, devices, networks, cloud platforms and IoT security.
Lessons · Practical activities · Assessment
Explore course
10 study hours · 9 lessons
Build practical security knowledge: threats, identity, networks, secure systems and incident response.
Lessons · Practical activities · Assessment
Explore course
12 study hours · 9 lessons
Learn programming logic, Python basics, web pages and software practices that scale.
Lessons · Practical activities · Assessment
Explore course
7 study hours · 9 lessons
Plan scope, schedules, risks, stakeholders and delivery using predictive and agile approaches.
Lessons · Practical activities · Assessment
Explore course
7 study hours · 9 lessons
Understand stocks, bonds, funds, interest rates, risk, diversification and market regulation. Educational only, not financial advice.
Lessons · Practical activities · Assessment
Explore course
6 study hours · 9 lessons
An original course covering effective search, cloud collaboration and digital marketing fundamentals. Not provided or certified by Google.
Lessons · Practical activities · Assessment
Explore course
8 study hours · 9 lessons
Trace major historical transformations and practise evaluating evidence from multiple perspectives.
Lessons · Practical activities · Assessment
Explore course
7 study hours · 9 lessons
Read maps, understand landforms and climate, and analyse population, resources and sustainability.
Lessons · Practical activities · Assessment
Explore courseData structures, HTTP, persistent data and delivery boundaries.
Training, evaluation, data leakage and accountable deployment.
Bounded tools, untrusted instructions and measurable agent quality.
Qubits, interference, entanglement and realistic limits.
For learners aged 16 and up
Fresh perspectives on languages, AI and learning with reliable sources.

Turn vocabulary, listening and speaking into a realistic weekly habit.
Read articleAsk better questions, protect private information and verify the result.
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