In this video, students learn about parts of the human body. From our brain to our bones, muscles to lungs, students explore basic body parts and their functions. Now, try to catch me before I run out of breath!

“Math Solves Everyday Problems” gives examples of day-to-day problems that require math skills to solve.

“Plant Structure” will help students to identify similarities and differences between vascular and non-vascular plants, as well as reproductive methods for both types of plants.

MacArthur Fellowship-winning luthier and acoustical researcher Joseph Curtin describes how he became a violinmaker.

Nighttime is the moment of the day to rest, get a nice sleep, and your recharge batteries for the next day. In this yoga for kids video, you and your little ones can breathe and stretch together to get better sleep... Yawning is...

Cue up that Queen song because it’s time for some “Power” yoga! Grow stronger and taller with these power poses. In this video, your little one will make a big elephant trunk and do elephant squats with Yogi Molly.

Is It Too Late To Get Into Machine Learning?

Historian David Armitage, University of Harvard, relates how examining the historical evolution of key terms and phrases can uncover the many sedimented meanings associated with them, thereby pointing the way to deeper historical...

Historian Maria Mavroudi (UC Berkeley) explores the dynamic distinction between East and West, emphasizing the ever-changing nature of this categorization over time and place. By delving into historical connections such as the Silk Route...

Renowned political theory professor John Dunn challenges the common American belief that the United States was founded as a democracy, asserting that the Founding Fathers were skeptical of democracy as a form of government. He argues...

Harvard University historian David Armitage speculates on the potential link between slavery and revolution, asking the question, If the United States had not declared itself independent from the British Empire, might slavery have ended...

Here's a video on the verb IR (to go). Ir is irregular, meaning it doesn't follow the normal pattern of conjugation.<b<br/>r/>

Included is also some vocabulary on places drawn by yours truly! Enjoy!

Se permite & Se prohíbe - Practice (intermediate Spanish)

¡Feliz viernes! A ver si les gusta este chiste.<br/>
<br/>~~~~~~~~~~~
Happy Friday! Let's see if you like this joke.

Es viernes y tengo otro chiste para ustedes...<br/>
It's Friday and I have another joke for you all...

Hola. In this video lesson we'll be going over the preposición: con (with). It is pretty easy to use but there are two words that are a little strange. Conmigo (with me) and contigo (with you). Enjoy!

Here's a phrase with a few different versions! Enjoy!

*It is not ever my intention to offend anyone. I thought it would be important to point out that there are phrases used in some countries that are not offensive there, but...

Wave Motion demonstrates the difference between transverse and longitudinal waves in terms of motion and energy.

Kinetic vs. Potential Energy examines kinetic and potential energy by defining and providing examples of each.

Understanding Inertia defines the term inertia by exploring examples and evidence.

The Process of Photosynthesis explains that the source of energy in ecosystems comes from sunlight by illustrating producers transferring and transforming energy through photosynthesis.

This video lesson covers the verb conocer (to know) in the present tense. This is one of two verbs that we translate 'to know' in English. We'll cover the rules in this video for conocer and when to use it.

In this video lesson, we're going to be talking about the phrase: "hay que". We use it to say "it is necessary" or "one must". It's kind of an indirect way of telling people to do something,

Displaying data is an important task for most web developers. In this video, Mark will show you how to create HTML tables to display data-- similar to an Excel spreadsheet.