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Instructional Video3:03
Curated Video

Why Do Men Have Adam's Apples?

Pre-K - Higher Ed
The Adam’s apple is actually a chunk of bony cartilage that surrounds the larynx, i.e., the voice box. The reason it’s more prominent in men than in women is that during puberty, a man’s voice box tends to grow in size (much more than in...
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Instructional Video0:34
Curated Video

A Midsummer Night's Dream 5.1.046 Eunuch

6th - Higher Ed
New ReviewThe term "eunuch" refers to a castrated man. It was originally used in ancient kingdoms where eunuchs served as guards for the ruler's harem, ensuring they would not engage with the women they protected. Additionally, there was a...
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Instructional Video4:11
TED-Ed

TED-ED: How menstruation works - Emma Bryce

Pre-K - Higher Ed
At this moment, three hundred million women across the planet are experiencing the same thing: a period. The monthly menstrual cycle that gives rise to the period is a reality that most women on Earth will go through in their lives. But...
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Instructional Video4:55
TED-Ed

TED-Ed: Why does your voice change as you get older? - Shaylin A. Schundler

Pre-K - Higher Ed
The human voice is capable of incredible variety and range. As we age, our bodies undergo two major changes which explore that range. So how exactly does our voice box work, and what causes these shifts in speech? Shaylin A. Schundler...
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Instructional Video3:37
Nature League

What is Life? - Lesson Plan

6th - 8th
In this first Nature League Lesson Plan, Brit introduces the channel and goes through the characteristics of life on Earth, including the importance of carbon. What makes life /life/ is pretty amazing!
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Instructional Video6:47
Nature League

What is Reproduction? - Lesson Plan

6th - 8th
In this Nature League Lesson Plan, Brit discusses the different ways that life on Earth makes more life on Earth - sexually and asexually.
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Instructional Video4:25
Curated Video

A2 English Listening Practice - Middle School

Pre-K - Higher Ed
This video serves as English listening comprehension practice for lower-level students. In this video, a native English speaker talks slowly and clearly about the topic of middle school. The subtitles are included at the bottom of the...
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Instructional Video4:40
Nature League

Sex Safari - Field Trip

6th - 8th
In this Nature League Field Trip, Brit goes on a Montana safari at the National Bison Range and shares some local stories of how species have persisted over time via reproduction.
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Instructional Video10:20
Nature League

Sex Cells and Inherited Trauma - De-Natured

6th - 8th
In this De-Natured segment of Nature League, Brit breaks down a recent scientific journal article about the effects of childhood trauma on adult sperm cells of mice and men. Article citation: Dickson, D.A., Paulus, J.K., Mensah, V., Lem,...
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Instructional Video4:29
TED-Ed

What Causes Body Odor?

6th - 12th Standards
Can your diet change the smell of your armpits? Scholars learn the truth behind this and other factors that influence body odor. It covers the biology of what is happening as well as the ways to prevent or cover the offensive odor. To...
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Instructional Video4:46
Be Smart

How Many Heartbeats Do We Get?

6th - 12th Standards
On average, your heart beats about 100,000 times a day. The narrator of this short video discusses how important the heart has been across cultures, from mummification to its relationship in love. He then discusses the heart rate and the...

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