In this video, a teacher discusses the importance of educating the public about water conservation in the face of drought and water scarcity. He shares his experiences presenting to school children and highlights the need for everyone to...

The new world of personal data uses algorithms and smart devices to offer cheaper, better insurance coverage, but at what price to consumer privacy? Hear from executives of two startups upending the way financial institutions deploy...

In this lesson, students learn how to use Venn diagrams and tables to analyze random survey data. They will understand the concepts of union, intersection, and complement, and apply them to solve problems involving subsets of a sample...

John Uri reflects on the history of the Johnson Space Center after its 60th anniversary. HWHAP Episode 223.

In this lesson, you can learn how to use linking words and phrases for the IELTS writing exam. Linking words are important for your IELTS writing, especially for the essay. Using linking words well can make a big difference...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

Rebekah Modrak is a writer and interventionist artist whose artworks resist consumer culture. Re Made Co. (remadeco.org) poses as an online “company” to recreate actual company Best Made Co. (seller of $350 luxury hand-painted axes) by...

In some ways, spaceflight changes you forever,” says Ken Bowersox. Since he was 7 years old, Ken knew he wanted to become an astronaut. In his astronaut career, he participated in many exciting missions, including an extended stay on the...

Prepositions are one of the most frustrating parts of English grammar! In this lesson you'll learn how to use the most common prepositions of place: in, at and on.



We'll look at general rules and exceptions to those rules... I...

Take this English level test, (2/6 tests coming this week) learn your English level (CEFR levels A1 - C2).

Once you have completed the test let me know how many you got right. If you have any questions feel free to ask and I will...

Capacity measurements.

In this video, Justin from the Institute of Human Anatomy discusses seizures, epilepsy, and their relevant anatomy.

Mia the monkey is mad, moody and miserable. Her family is moving, and Mia does not want to go! Join Mia as she says goodbye to her home and friends before beginning a new adventure. Help Mia understand that change doesn’t have to be...

DIY Science - Make a colored vortex ring in the pool

The Algebra Word Problem Tutor series teaches by examples how to set up algebra word problems and solve them. This program teaches students how to solve word problems that involve work. Students are taught how to read the problem and...

Copying elements from one image to another is a common task for Photoshop users. You'll learn a couple of ways of completing this task in this video.

Learn how to use the useful French verb: aller (to go).

This video provides a tutorial on how to solve limits of accuracy problems in math. The lecturer begins by recapping the concept of error intervals and how they consist of upper and lower bounds. The lecture then proceeds to demonstrate...

In this video, the teacher explains how to find the volume of a cylinder using the formula volume equals pi r squared times h. They also discuss the relationship between the volumes of prisms and cylinders, and demonstrate how to find...

Archimedes principle states that if an object is submerged in a fluid, then the buoyant force acting on it is equal to the weight of the fluid displaced by that object. Buoyant force exists because pressure increases as an object goes...

Learn the basics about Halogens and their compounds, about how we use them and much more.

This is an educational video that teaches about division with positive and negative integers by noticing patterns. The video explains the meaning of division and how it can be written using different formats. It also shows an example of...

It explains the state of the system by state functions or state variables and describes internal energy as a state function.

In this video, the teacher explains how to find the perimeter of a square or rectangle with a missing side length by using square tiles. The teacher emphasizes the difference between area and perimeter and demonstrates how to determine...