With their navigational skills and advanced longships, the Vikings sustained their seafaring for over 300 years. But for all their might, they left few monuments. Instead, fragments of stone, bark and bone found in the sites of ancient...

Find out what makes a secondary dominant and how best to use them. A secondary dominant is a way of adding a touch of harmonic colour to a piece of music. It occurs when a V-l progression occurs in a key other than the prevailing key....

In 1812 Napoleon invaded Russia with the largest army Europe had ever seen, composed of troops from France as well as Poland, Germany, Italy and several other allied states. The campaign that followed saw the Russians use scorched earth...

Why is no one watching my videos? Why don't I get more views? What is wrong with my videos? These are common questions YouTubers have when they wonder why they are not getting the thousands or millions of views of...

Upon viewing the Traits and Heredity video series, students will be able to do the following: Define traits as the distinguishing characteristics of an organism. Describe heredity as the process of passing on traits from parents to...

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system.


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Many times people may feel confused when it comes to sex and intimacy. Sometimes it’s difficult to know if the person you’re with wants to be intimate and even more difficult to ask or find out. Everyone needs to understand...

Upon viewing the Traits and Heredity video series, students will be able to do the following: Define traits as the distinguishing characteristics of an organism. Describe heredity as the process of passing on traits from parents to...

Upon viewing the Traits and Heredity video series, students will be able to do the following: Define traits as the distinguishing characteristics of an organism. Describe heredity as the process of passing on traits from parents to...

Explore the science of the groundbreaking technology for editing genes, called CRISPR- Cas9, and how the tool could be used to cure diseases. -- From the smallest single-celled organism to the largest creatures on Earth, every living...

This is episode 7 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...

Upon viewing the Traits and Heredity video series, students will be able to do the following: Define traits as the distinguishing characteristics of an organism. Describe heredity as the process of passing on traits from parents to...

Upon viewing the Traits and Heredity video series, students will be able to do the following: Define traits as the distinguishing characteristics of an organism. Describe heredity as the process of passing on traits from parents to...

MOT 1945: HARRY TRUMAN ANNOUNCES JAPAN SURRENDER: MS United States President Harry S. Truman (1884-1972) speaking '... message from Japanese government... unconditional surrender...' (SOT). World War II, WWII

Emmeline describes the inaugural meeting of the Women's Franchise League

Explore DNA structure/function, chromosomes, genes, and traits and how this relates to heredity! Video can replace old DNA structure & function video and in addition covers foundational concepts of heredity. Table of Contents: Video...

Join the Amoeba Sisters as they discuss the terms "gene" and "allele" in context of a gene involved in PTC (phenylthiocarbamide) taste sensitivity. Note: as mentioned throughout video, the ability to taste PTC may be more complex than a...

In this video, we will learn how to make fun and easy Easter craft for kids. Using simple materials like paper, glue, and paint, we will create an adorable Easter card. The step-by-step instructions are easy to follow and perfect for...

A study shows mom's voice is just as effective in reducing stress as getting a hug. The underscores the importance of Mom in a child's feeling of security and nurturance. For you to be an effective nurturer, you have to take of yourself...

In this video, we will be creating notification functions for our full-stack Twitter Clone app. These functions will allow us to send notifications to users when certain events occur, such as when someone follows them or likes their tweet.

Howcast - Learn how to stop peppering your conversations with "um," "like" and "you know" from manners expert Faye de Muyshondt in this Howcast video.

This video outlines how DNA is structured and coded for genetics.

The history of discovering what DNA is, what it looks like, and how it works is... complicated. But, in this episode of History of Science, Hank Green does his best to lay out the basics so we can understand the beginnings of Biotechnology.

A tesseract is a 4D cube, i.e. a cube that exists in 4 dimensions. Although fans of the Marvel universe and superheroes may associate tesseract with the glowing blue box that houses the Space stone, a tesseract is a real geometrical...