Origami is helping to ease our journeys back from space, and astronomers are learning more about coronal mass ejections from a distant star!

Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series...

In this video Paul Andersen explains how energy can be transferred from one system to another. In a closed system the energy can be transferred as either work or heat. Thermal energy transfer is know as energy transfer through heat. ...

Join Jessi this week at the fort and learn about the unexpectedly awesome organism that's made up of two living things: LICHEN!

You're in a movie theater, watching the new horror flick. The audience knows something that the main character does not. The audience sees the character's actions are not in his best interest. What's that feeling -- the one that makes...

There's not a lot of tried and true ways to get a rowdy classroom in control, with the exception of the Good Behavior Game. But there's one big caveat as to who it helps.

Imagine trying to use words to describe every scene in a film, every note in a song, or every street in your town. Now imagine trying to do it using only the numbers 1 and 0. Every time you use the Internet to watch a movie, listen to...

New ReviewThis video describes some of the ways that living and nonliving things in ecosystems interact. Beautiful, colorful videos help illustrate these interactions in ecosystems such as deserts, grasslands, and wetlands. Specific emphasis is...

New ReviewGuitar World's Paul Riario heads over to Marshall HQ in NYC to demo the new Marshall JCM800 Modified. This amp delivers iconic Marshall sound with modern upgrades, including master volume, a mid-boost switch and gain boost

New ReviewThis program investigates the concept of why biodiversity is important by comparing ecosystems which are healthy and those that are less healthy. High and low biodiversity help explain these ideas. The idea of species extinction is also...

Learn some wild facts about sloths, the world's slowest mammal.

Do you think that sugar makes kids hyper? Well, you're wrong. Yes, WRONG. How do we know? Randomized controlled trials. RCTs are pretty much the most robust study design there is, and also the only way to prove causality. This week's...

In this math lesson, we’ll learn how to represent a percent of decrease as an algebraic expression using a real-world scenario — the depreciation of a computer over time.
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AJ Dybantsa goes over his experience going to a BYU football game, their NBA level basketball staff, and the other reasons he decided that BYU was the best place for him to reach his ultimate goal: the NBA. Hear about this and more in...

Why are there dolphins in rivers, and why do they look... like that? There are a handful of very similar-looking, but somehow unrelated river dolphins around the world. Where did they all come from, and what is it about living in rivers...

In a globalized world, digitalization has deeply shaped the way people of different countries and cultures interact—and now transact—with one another. The latest addition to the global payment system is a version of currency called...

Entertaining at home is an extremely important part of the social life of South Africa. To participate fully, you need to be comfortable visiting people in their homes and adept at reciprocating. In keeping with the country’s generally...

In this video, we introduce dynamic routing protocols and their role in automating route updates.

This video explains selective stashing changes and how to retrieve them.

After setting all elements of the chatbot, we will complete the bot by inputting queries and data and receiving responses from the chatbot based on the question placed.

In this lesson, we will perform two types of tokenization—sentence tokenization and word tokenization—using the NLTK library.

Let's understand what rule-based chatbots are and their mechanism of functioning in detail. Here, certain rules or criteria are provided as support to the chatbots, and the tasks performed, and the responses are based on those rules.

In this lesson, we will look at classifying chatbots based on how the chatbots can be trained and tested, including the rule-based chatbot—where rules are specified—and self-learning chatbots, where the chatbot learns on its own with the...

This lecture compares chatbots, virtual assistants, and personal assistants; delves into the three types of traits; and brings out their advantages and disadvantages to the forefront.