Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in a recipe. Changes in the DNA can result in changes to the protein, like changes...

Plants are all around you! You walk on them, eat them, and even climb them! And guess what? You can even grow your very own!

African artifacts shown in museums worldwide are often not borrowed, but stolen -- and TED Fellow Jim Chuchu is on a mission to get them back. Learn the sordid history behind how many of the collections in the West came to be, Chuchu's...

Astronomers still aren't sure about how our solar system might have formed, but they have simulations to help them get closer to the answer!

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...

New ReviewIn this video, Mrs. C shows you how to find the **perimeter of composite figures**—shapes made up of squares, rectangles, triangles, and semicircles. You’ll learn how to: Identify which sides are on the outside of the figure Add up all...

In this lecture, you will learn how to approach this problem of dealing with missing data and look at some practical examples.

Let’s learn shapes together! In this fun and colourful video, kids will learn shape vocabulary with talking flashcards and then play exciting interactive games like "Guess the Shape," "Find the Shape," and "Pick a Shape Surprise." This...

Can You Guess the Missing Word? | Fun Compound Word Game for Kids



Get ready to play a fun and interactive guessing game! In this video, kids will look at picture clues and try to guess the missing part of each compound...

This video discusses run-on and fragment sentences and the ways to correct them.

You will calculate missing side lengths in volume problems.

In this video, the teacher explains the concept of sentence fragments and how to identify and correct them in writing. The emphasis on proper sentence structure not only enhances writing skills but also underscores the importance of...

The Human Hug Project is made up of three people with three different lives, but all face one obstacle- PTSD. Together, they are the Human Hug Project. Ian Michael is a veteran of Operation Iraqi Freedom. Gino Greganti is a veteran of...

One very rare disease and a family’s curious questions on Google search was the start to this loving foundation. After 15 months of noticing something was not right with their baby, Jennifer and Christopher Iannuzzi finally got a...

Howcast - Check out this Portal 2 walkthrough and beat Chapter 9 - Part 1: Room 17/19 with this online demo.

Howcast - Learn why you should eat flaxseeds, and mistakes to avoid when eating them, from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn about the three healthiest foods you're probably not eating from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn about the three foods you should eat every day from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn how to be more patient from life coach Stephanie Florman in this Howcast video.

Howcast - Learn about the generalized absence seizure, or petit mal seizure, from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

Howcast - Learn parry basics from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Check out part 37 of this L.A. Noire walkthrough and beat "The Golden Butterfly" with this online demo.

Howcast - Check out part 12 of this L.A. Noire walkthrough and beat "The Driver's Seat" with this online demo.

Howcast - Let musician Alex Skolnick teach you about notes on the 6th string in this heavy metal guitar lesson from Howcast.