Online courses directory (19947)

Learn how the sympathetic and parasympathetic nerves regulate your heart in so many different ways!. Changing the AV Node Delay - Chronotropic Effect. Changing the Heart Rate - Chronotropic Effect. Increasing Ventricular Contractility - Inotropic effect. Autonomic Nervous System Effects on the Heart. Getting a New Heart. Changing the AV Node Delay - Chronotropic Effect. Changing the Heart Rate - Chronotropic Effect. Increasing Ventricular Contractility - Inotropic effect. Autonomic Nervous System Effects on the Heart. Getting a New Heart.

Learn the fundamentals of parallel computing with the GPU and the CUDA programming environment! In this class, you'll learn about parallel programming by coding a series of image processing algorithms, such as you might find in Photoshop or Instagram. You'll be able to program and run your assignments on high-end GPUs, even if you don't own one yourself. **Why It’s Important to Think Parallel** [Third Pillar of Science][1] Learn how scientific discovery can be accelerated by combining theory and experimentation with computing to fight cancer, prevent heart attacks, and spur new advances in robotic surgery. [1]: http://www.youtube.com/watch?v=3DbAB2ChDBw

The Internet is a computer network that millions of people use every day. Understand the design strategies used to solve computer networking problems while you learn how the Internet works.

SAT prep: test 1 section3 part 1. SAT Prep: Test 1 Section 3 Part 2. SAT Prep: Test 1 Section 3 Part 3. SAT Prep: Test 1 Section 3 Part 4. SAT Prep: Test 1 Section 3 Part 5. SAT Prep: Test 1 Section 3 Part 6. SAT Prep: Test 1 Section 3 Part 7. SAT Prep: Test 1 Section 3 Part 8. SAT Prep: Test 1 Section 6 Part 1. SAT Prep: Test 1 Section 6 Part 2. SAT Prep: Test 1 Section 6 Part 3. SAT Prep: Test 1 Section 6 Part 4. SAT Prep: Test 1 Section 6 Part 5. SAT Prep: Test 1 Section 6 Part 6. SAT Prep: Test 1 Section 9 Part 1. SAT Prep: Test 1 Section 9 Part 2. SAT Prep: Test 1 Section 9 Part 3. SAT Prep: Test 1 Section 9 Part 4. SAT Prep: Test 1 Section 9 Part 5. SAT Prep: Test 2 Section 3 part 1. SAT Prep: Test 2 Section 3 Part 2. SAT Prep: Test 2 Section 3 Part 3. SAT Prep: Test 2 Section 3 Part 4. SAT Prep: Test 2 Section 3 Part 5. SAT Prep: Test 2 Section 3 Part 6. SAT Prep: Test 2 Section 6 Part 1. SAT Prep: Test 2 Section 6 Part 2. SAT Prep: Test 2 Section 6 Part 3. SAT Prep: Test 2 Section 6 Part 4. SAT Prep: Test 2 Section 6 Part 5. SAT Prep: Test 2 Section 6 Part 6. SAT Prep: Test 2 Section 9 Part 1. SAT Prep: Test 2 Section 9 Part 2. SAT Prep: Test 2 Section 9 Part 3. SAT Prep: Test 2 Section 9 Part 4. SAT Prep: Test 3 Section 2 Part 1. SAT Prep: Test 3 Section 2 Part 2. SAT Prep: Test 3 Section 2 Part 3. SAT Prep: Test 3 Section 2 Part 4. Test 3 Section 2 Part 5. SAT Prep: Test 3 Section 4 Part 1. SAT Prep: Test 3 Section 4 Part 2. SAT Prep: Test 3 Section 4 Part 3. SAT Prep: Test 3 Section 4 Part 4. SAT Prep: Test 3 Section 4 Part 5. SAT Prep: Test 3 Section 8 Part 1. SAT Prep: Test 3 Section 8 Part 2. SAT Prep: Test 3 Section 8 Part 3. SAT Prep: Test 3 Section 8 Part 4. SAT Prep: Test 4 Section 2 Part 1. SAT Prep: Test 4 Section 2 Part 2. SAT Prep: Test 4 Section 2 Part 3. SAT Prep: Test 4 Section 2 Part 4. SAT Prep: Test 4 Section 2 Part 5. SAT Prep: Test 4 Section 2 Part 6. SAT Prep: Test 4 Section 4 Part 1. SAT Prep: Test 4 Section 4 Part 2. SAT Prep: Test 4 Section 4 Part 3. SAT Prep: Test 4 Section 4 Part 4. SAT Prep: Test 4 Section 8 Part 1. SAT Prep: Test 4 Section 8 Part 2. SAT Prep: Test 4 Section 8 Part 3. SAT Prep: Test 4 Section 8 Part 4. SAT Prep: Test 5 Section 3 Part 1. SAT Prep: Test 5 Section 3 Part 2. SAT Prep: Test 5 Section 3 Part 3. SAT Prep: Test 5 Section 3 Part 4. SAT Prep: Test 5 Section 3 Part 5. SAT Prep: Test 5 Section 3 Part 6. SAT Prep: Test 5 Section 7 Part 1. SAT Prep: Test 5 Section 7 Part 2. SAT Prep: Test 5 Section 7 Part 3. SAT Prep: Test 5 Section 7 Part 4. SAT Prep: Test 5 Section 7 Part 5. SAT Prep: Test 5 Section 7 Part 6. SAT Prep: Test 5 Section 9 Part 1. SAT Prep: Test 5 Section 9 Part 2. SAT Prep: Test 5 Section 9 Part 3. SAT Prep: Test 5 Section 9 Part 4. SAT Prep: Test 6 Section 3 Part 1. SAT Prep: Test 6 Section 3 Part 2. SAT Prep: Test 6 Section 3 Part 3. SAT Prep: Test 6 Section 3 Part 4. SAT Prep: Test 6 Section 3 Part 5. SAT Prep: Test 6 Section 7 Part 1. SAT Prep: Test 6 Section 7 Part 2. SAT Prep: Test 6 Section 7 Part 3. SAT Prep: Test 6 Section 7 Part 4. SAT Prep: Test 6 Section 7 Part 5. SAT Prep: Test 6 Section 7 Part 6. SAT Prep: Test 6 Section 9 Part 1. SAT Prep: Test 6 Section 9 Part 2. SAT Prep: Test 6 Section 9 Part 3. SAT Prep: Test 6 Section 9 Part 4. SAT Prep: Test 7 Section 2 Part 1. SAT Prep: Test 7 Section 2 Part 2. SAT Prep: Test 7 Section 2 Part 3. SAT Prep: Test 7 Section 2 Part 4. SAT Prep: Test 7 Section 5 Part 1. SAT Prep: Test 7 Section 5 Part 2. SAT Prep: Test 7 Section 5 Part 3. SAT Prep: Test 7 Section 5 Part 4. SAT Prep: Test 7 Section 5 Part 5. SAT Prep: Test 7 Section 8 Part 1. SAT Prep: Test 7 Section 8 Part 2. SAT Prep: Test 7 Section 8 Part 3. SAT Prep: Test 7 Section 8 Part 4. SAT Prep: Test 8 Section 2 Part 1. SAT Prep: Test 8 Section 2 Part 2. SAT Prep: Test 8 Section 2 Part 3. SAT Prep: Test 8 Section 2 Part 4. SAT Prep: Test 8 Section 5 Part 1. SAT Prep: Test 8 Section 5 Part 2. SAT Prep: Test 8 Section 5 Part 3. SAT Prep: Test 8 Section 5 Part 4. SAT Prep: Test 8 Section 8 Part 1. SAT Prep: Test 8 Section 8 Part 2. SAT Prep: Test 8 Section 8 Part 3. SAT prep: test 1 section3 part 1. SAT Prep: Test 1 Section 3 Part 2. SAT Prep: Test 1 Section 3 Part 3. SAT Prep: Test 1 Section 3 Part 4. SAT Prep: Test 1 Section 3 Part 5. SAT Prep: Test 1 Section 3 Part 6. SAT Prep: Test 1 Section 3 Part 7. SAT Prep: Test 1 Section 3 Part 8. SAT Prep: Test 1 Section 6 Part 1. SAT Prep: Test 1 Section 6 Part 2. SAT Prep: Test 1 Section 6 Part 3. SAT Prep: Test 1 Section 6 Part 4. SAT Prep: Test 1 Section 6 Part 5. SAT Prep: Test 1 Section 6 Part 6. SAT Prep: Test 1 Section 9 Part 1. SAT Prep: Test 1 Section 9 Part 2. SAT Prep: Test 1 Section 9 Part 3. SAT Prep: Test 1 Section 9 Part 4. SAT Prep: Test 1 Section 9 Part 5. SAT Prep: Test 2 Section 3 part 1. SAT Prep: Test 2 Section 3 Part 2. SAT Prep: Test 2 Section 3 Part 3. SAT Prep: Test 2 Section 3 Part 4. SAT Prep: Test 2 Section 3 Part 5. SAT Prep: Test 2 Section 3 Part 6. SAT Prep: Test 2 Section 6 Part 1. SAT Prep: Test 2 Section 6 Part 2. SAT Prep: Test 2 Section 6 Part 3. SAT Prep: Test 2 Section 6 Part 4. SAT Prep: Test 2 Section 6 Part 5. SAT Prep: Test 2 Section 6 Part 6. SAT Prep: Test 2 Section 9 Part 1. SAT Prep: Test 2 Section 9 Part 2. SAT Prep: Test 2 Section 9 Part 3. SAT Prep: Test 2 Section 9 Part 4. SAT Prep: Test 3 Section 2 Part 1. SAT Prep: Test 3 Section 2 Part 2. SAT Prep: Test 3 Section 2 Part 3. SAT Prep: Test 3 Section 2 Part 4. Test 3 Section 2 Part 5. SAT Prep: Test 3 Section 4 Part 1. SAT Prep: Test 3 Section 4 Part 2. SAT Prep: Test 3 Section 4 Part 3. SAT Prep: Test 3 Section 4 Part 4. SAT Prep: Test 3 Section 4 Part 5. SAT Prep: Test 3 Section 8 Part 1. SAT Prep: Test 3 Section 8 Part 2. SAT Prep: Test 3 Section 8 Part 3. SAT Prep: Test 3 Section 8 Part 4. SAT Prep: Test 4 Section 2 Part 1. SAT Prep: Test 4 Section 2 Part 2. SAT Prep: Test 4 Section 2 Part 3. SAT Prep: Test 4 Section 2 Part 4. SAT Prep: Test 4 Section 2 Part 5. SAT Prep: Test 4 Section 2 Part 6. SAT Prep: Test 4 Section 4 Part 1. SAT Prep: Test 4 Section 4 Part 2. SAT Prep: Test 4 Section 4 Part 3. SAT Prep: Test 4 Section 4 Part 4. SAT Prep: Test 4 Section 8 Part 1. SAT Prep: Test 4 Section 8 Part 2. SAT Prep: Test 4 Section 8 Part 3. SAT Prep: Test 4 Section 8 Part 4. SAT Prep: Test 5 Section 3 Part 1. SAT Prep: Test 5 Section 3 Part 2. SAT Prep: Test 5 Section 3 Part 3. SAT Prep: Test 5 Section 3 Part 4. SAT Prep: Test 5 Section 3 Part 5. SAT Prep: Test 5 Section 3 Part 6. SAT Prep: Test 5 Section 7 Part 1. SAT Prep: Test 5 Section 7 Part 2. SAT Prep: Test 5 Section 7 Part 3. SAT Prep: Test 5 Section 7 Part 4. SAT Prep: Test 5 Section 7 Part 5. SAT Prep: Test 5 Section 7 Part 6. SAT Prep: Test 5 Section 9 Part 1. SAT Prep: Test 5 Section 9 Part 2. SAT Prep: Test 5 Section 9 Part 3. SAT Prep: Test 5 Section 9 Part 4. SAT Prep: Test 6 Section 3 Part 1. SAT Prep: Test 6 Section 3 Part 2. SAT Prep: Test 6 Section 3 Part 3. SAT Prep: Test 6 Section 3 Part 4. SAT Prep: Test 6 Section 3 Part 5. SAT Prep: Test 6 Section 7 Part 1. SAT Prep: Test 6 Section 7 Part 2. SAT Prep: Test 6 Section 7 Part 3. SAT Prep: Test 6 Section 7 Part 4. SAT Prep: Test 6 Section 7 Part 5. SAT Prep: Test 6 Section 7 Part 6. SAT Prep: Test 6 Section 9 Part 1. SAT Prep: Test 6 Section 9 Part 2. SAT Prep: Test 6 Section 9 Part 3. SAT Prep: Test 6 Section 9 Part 4. SAT Prep: Test 7 Section 2 Part 1. SAT Prep: Test 7 Section 2 Part 2. SAT Prep: Test 7 Section 2 Part 3. SAT Prep: Test 7 Section 2 Part 4. SAT Prep: Test 7 Section 5 Part 1. SAT Prep: Test 7 Section 5 Part 2. SAT Prep: Test 7 Section 5 Part 3. SAT Prep: Test 7 Section 5 Part 4. SAT Prep: Test 7 Section 5 Part 5. SAT Prep: Test 7 Section 8 Part 1. SAT Prep: Test 7 Section 8 Part 2. SAT Prep: Test 7 Section 8 Part 3. SAT Prep: Test 7 Section 8 Part 4. SAT Prep: Test 8 Section 2 Part 1. SAT Prep: Test 8 Section 2 Part 2. SAT Prep: Test 8 Section 2 Part 3. SAT Prep: Test 8 Section 2 Part 4. SAT Prep: Test 8 Section 5 Part 1. SAT Prep: Test 8 Section 5 Part 2. SAT Prep: Test 8 Section 5 Part 3. SAT Prep: Test 8 Section 5 Part 4. SAT Prep: Test 8 Section 8 Part 1. SAT Prep: Test 8 Section 8 Part 2. SAT Prep: Test 8 Section 8 Part 3.

Videos about currency exchange. Currency Exchange Introduction. Currency Effect on Trade. Currency Effect on Trade Review. Pegging the Yuan. Chinese Central Bank Buying Treasuries. American-Chinese Debt Loop. Debt Loops Rationale and Effects. China keeps peg but diversifies holdings.

Introduction to statistics. We start with the basics of reading and interpretting data and then build into descriptive and inferential statistics that are typically covered in an introductory course on the subject. Overview of Khan Academy statistics. Statistics intro: mean, median and mode. Constructing a box-and-whisker plot. Sample mean versus population mean.. Variance of a population. Sample variance. Review and intuition why we divide by n-1 for the unbiased sample variance. Simulation showing bias in sample variance. Simulation providing evidence that (n-1) gives us unbiased estimate. Statistics: Standard Deviation. Statistics: Alternate Variance Formulas. Introduction to Random Variables. Probability Density Functions. Binomial Distribution 1. Binomial Distribution 2. Binomial Distribution 3. Binomial Distribution 4. Expected Value: E(X). Expected Value of Binomial Distribution. Poisson Process 1. Poisson Process 2. Introduction to the Normal Distribution. Normal Distribution Excel Exercise. Law of Large Numbers. ck12.org Normal Distribution Problems: Qualitative sense of normal distributions. ck12.org Normal Distribution Problems: Empirical Rule. ck12.org Normal Distribution Problems: z-score. ck12.org Exercise: Standard Normal Distribution and the Empirical Rule. ck12.org: More Empirical Rule and Z-score practice. Central Limit Theorem. Sampling Distribution of the Sample Mean. Sampling Distribution of the Sample Mean 2. Standard Error of the Mean. Sampling Distribution Example Problem. Confidence Interval 1. Confidence Interval Example. Mean and Variance of Bernoulli Distribution Example. Bernoulli Distribution Mean and Variance Formulas. Margin of Error 1. Margin of Error 2. Small Sample Size Confidence Intervals. Hypothesis Testing and P-values. One-Tailed and Two-Tailed Tests. Z-statistics vs. T-statistics. Type 1 Errors. Small Sample Hypothesis Test. T-Statistic Confidence Interval. Large Sample Proportion Hypothesis Testing. Variance of Differences of Random Variables. Difference of Sample Means Distribution. Confidence Interval of Difference of Means. Clarification of Confidence Interval of Difference of Means. Hypothesis Test for Difference of Means. Comparing Population Proportions 1. Comparing Population Proportions 2. Hypothesis Test Comparing Population Proportions. Squared Error of Regression Line. Proof (Part 1) Minimizing Squared Error to Regression Line. Proof Part 2 Minimizing Squared Error to Line. Proof (Part 3) Minimizing Squared Error to Regression Line. Proof (Part 4) Minimizing Squared Error to Regression Line. Regression Line Example. Second Regression Example. R-Squared or Coefficient of Determination. Calculating R-Squared. Covariance and the Regression Line. Correlation and Causality. Chi-Square Distribution Introduction. Pearson's Chi Square Test (Goodness of Fit). Contingency Table Chi-Square Test. ANOVA 1 - Calculating SST (Total Sum of Squares). ANOVA 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi. ANOVA 3 -Hypothesis Test with F-Statistic. Another simulation giving evidence that (n-1) gives us an unbiased estimate of variance. Mean Median and Mode. Range and Mid-range. Reading Pictographs. Reading Bar Graphs. Reading Line Graphs. Reading Pie Graphs (Circle Graphs). Misleading Line Graphs. Stem-and-leaf Plots. Box-and-Whisker Plots. Reading Box-and-Whisker Plots. Statistics: The Average. Statistics: Variance of a Population. Statistics: Sample Variance. Deductive Reasoning 1. Deductive Reasoning 2. Deductive Reasoning 3. Inductive Reasoning 1. Inductive Reasoning 2. Inductive Reasoning 3. Inductive Patterns.

We understand the world — and our selves — through stories. Then some of those hopes and fears become the world.

Learn mathematical and statistical tools and techniques used in quantitative and computational finance. Use the open source R statistical programming language to analyze financial data, estimate statistical models, and construct optimized portfolios. Analyze real world data and solve real world problems.

Explore the structure and function of the human central nervous system. Learn why knowledge of human neuroanatomy, neurophysiology, neural plasticity, and new discovery in the brain sciences matters for clinical practice in the health professions.

This course will provide a coherent, understandable look at the evidence on how nutrition and physical activity impact health through lower morbidity, longevity, and quality of life.

This course will discuss HIV/AIDS in the US and around the world including its history, science, and culture as well as developments in behavioral and biomedical prevention, experimental AIDS vaccines, and clinical care issues. The course will also include a discussion of the populations that are particularly vulnerable to HIV/AIDS and a look at future challenges facing people infected and affected by the AIDS pandemic.

This seven week course will explore nutrition concepts that take center stage in mainstream media outlets and become conversation topics among consumers interested in food choice as it relates to optimal health and physical performance.

Nanotechnology is an emerging area that engages almost every technical discipline – from chemistry to computer science – in the study and application of extremely tiny materials.  This short course allows any technically savvy person to go one layer beyond the surface of this broad topic to see the real substance behind the very small.

In this section we investigate how dc motors work and what is inside of them. Brushed DC motor explained. Build your own motor. Compare the hair dryer motor to the one you can build.

Learn about blood pressure and how we measure it. Take a deeper dive and find out how blood pressure is related to resistance and flow!. What is blood pressure?. Learn how a stethoscope can help determine blood pressure. Resistance in a tube. Adding up resistance in series and in parallel. Adding up resistance problem. Flow and Perfusion. Putting it all together: Pressure, flow, and resistance. Blood pressure changes over time. What is blood pressure?. Learn how a stethoscope can help determine blood pressure. Resistance in a tube. Adding up resistance in series and in parallel. Adding up resistance problem. Flow and Perfusion. Putting it all together: Pressure, flow, and resistance. Blood pressure changes over time.

A non-technical introduction to the contemporary application of computing to healthcare delivery, public health and community-based clinical research.

This course will explore how digital cultures and learning cultures connect, and what this means for the ways in which we conduct education online. The course is not about how to ‘do’ e-learning; rather, it is an invitation to view online educational practices through a particular lens – that of popular and digital culture. Follow this course on Twitter at #edcmooc.

The course aims to provide a foundation in artificial intelligence techniques for planning, with an overview of the wide spectrum of different problems and approaches, including their underlying theory and their applications.

Greek Debt Recession and Austerity (part 1). Greek Financial Crisis (part 2). How and why Greece would leave the Euro (part 3). Why Europe is worried about Greece.

The EU is the most successful supranational legal order to which 27 Member States have transferred sovereign rights. This course explores the functioning of the unique creature that is the EU, the impact of its laws on states, citizens and companies, and the current challenges it faces.