STEM Courses and Certifications

Jane Goodall Teaches Conservation

Dr. Jane Goodall teaches how you can conserve the environment. She also shares her research on the behavioral patterns of chimpanzees and what they taught her about conservation.

• MasterClass
• 5 hours 19 minutes
• Self-Paced
• Free Trial Available

Brandon Mcmillan Teaches Dog Training

In his MasterClass, Brandon shares his simple, effective training system to help you develop trust and control with your dog.

• MasterClass
• 2 hours 58 minutes
• Self-Paced
• Free Trial Available

Neil Degrasse Tyson Teaches Scientific Thinking And Communication

Learn to think like a skeptic, open your own mind through scientific literacy, distill data, and navigate bias to discover objective truths—and deliver your ideas in ways that engage, excite, and inspire.

• MasterClass
• 2 hours 14 minutes
• Self-Paced
• Free Trial Available

NPTEL-NOC IITM

Types of Adult Stem Cells and Trans-Differentiation for Tissue Engineering

Explore adult stem cell types, trans-differentiation processes, and their applications in tissue engineering, covering hematopoietic and bone marrow-derived cells.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Master the full construction bidding process—from project selection to final submission—covering estimator roles, bid strategy, subcontractor management, scope analysis, and pricing.

• VDCI
• 30 minutes
• Self-Paced
• $579.00

Master AI-powered construction takeoff with Togal.AI, turning hours of manual work into minutes. Build hands-on skills to produce professional, client-ready estimates from day one.

• VDCI
• 30 hours
• Self-Paced
• $579.00

The beloved educator is teaching his framework for scientific thinking and everyday problem-solving.

• MasterClass
• 2 hours 44 minutes
• Self-Paced
• Free Trial Available

Percent Foundations for Everyday Life

Master percent foundations by converting between percent, decimal, and fraction forms, solving core percent problems, and applying mental math strategies for real-life scenarios like discounts and paychecks.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Multi-Step Percent Problems

Master multi-step percent problems by choosing correct bases, reversing changes, applying consecutive adjustments, and comparing options to make smarter real-world financial decisions.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Rational Numbers and Terminating Decimals

Master the relationship between rational numbers and terminating decimals, using long division to convert fractions to decimals and back to simplest fraction forms.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Mastery of Repeating Decimals

Explore the world of repeating decimals, mastering bar notation, identifying pure and mixed repeating blocks, and converting infinite decimals into exact rational fractions using algebraic methods.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

The Real Number System and Irrationality

Explore the real number system, uncovering irrational numbers like π and e, their non-terminating decimals, square root classifications, and how to bound them on the number line.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Estimating and Comparing Real Numbers

Master the art of approximating irrational numbers using trial squaring, calculator rounding, and number line plotting to compare and estimate real-world arithmetic expressions.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

What Is Probability?

Explore the fundamentals of probability, from outcomes and sample spaces to calculating simple event probabilities using the equally-likely-outcomes method.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Probability from Experiments

Explore how to estimate probability from real data by computing relative frequencies, understanding small sample limitations, and observing how estimates stabilize with more trials.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate