Let's Dig Deeper!

Introduce biology classes to the structure of DNA, the role of genes, and how mutations occur with this nifty resource. After viewing an animated video, discuss the accompanying Think questions and then explore the myriad of additional...

Using a massive cartoon blueberry as an atom model, an animated astronaut describes an atom's anatomy and the density of its nucleus. After showing this featurette, you can have young physical scientists construct atom models. Also, be...

What's the buzz that happens every 13 or 17 years? The emergence of the cicadas! This quick and flashy animation explains the lifecycle of these unusual insects and ponders the timing. On the host site, you will also find comprehension...

What flies faster than the speed of light? A time traveler! This video explains the time-speed-distance relationship, time dilation, and the theoretical possibilities of time travel in a way that is super engaging. Along with the video,...

Considering the shape of Earth's orbit and the tilt of its axis, viewers see why seasons occur on the planet. Additional resources that come with the video include a discussion idea, multiple-choice Think questions, and Dig Deeper links...

Modern animation presents an overview of the history of space exploration. Beginning with Sputnik in 1957, the international space race was on. Eventually, space exploration became, not a competition, but rather a collaboration. Also,...

Don't let your classes take a shot in the dark! Help them understand different types of vaccinations with an informative video lesson. The narrator explains how the flu virus challenges vaccine creators each year thanks to its shifty...

Cuneiforms and characters, hieroglyphics and cartouches, Morse code and Pig Latin. Who invented writing? Why, the Sumerians and the Chinese, of course. Viewers watch as the video narrator details the development of writing from art,...

The United States inaugurates a president every four years, but where does the word inaugurate really come from? Watch the video to find out and then read a few famous inaugural addresses, which are linked in the Dig Deeper section on...

What does it meant to be ironic? Through a well-thought out series of examples and non-examples, this video seeks to put an end to misconceptions about this word's meaning. Entertaining and memorable, the video leads to a quiz. While...