Bedtime History
What was Manifest Destiny?
Learn about Manifest Destiny, the 19th-century belief that the United States was meant to expand across North America. This video covers the history behind the idea, key events like the Louisiana Purchase, the Oregon Trail, and the...
Bedtime History
What was the Louisiana Purchase?
Discover the story behind the Louisiana Purchase, one of the most important land deals in American history. In this video, we explain how the United States bought a huge amount of territory from France in 1803, doubling the size of the...
Curated Video
How to Calculate Exponential Growth | A-CED.A.1 | Algebra 🖤💙
In this math video we will learn how to calculate exponential growth to solve a real world problem. Each variable of the exponential growth equation y=a*b^x will be explained. We will identify the information provided in the real world...
Curated Video
Principle of MacConkey’s Agar
MacConkeys agar Media Principle is a selective and differential media. It is selective for enteric bacteria and differentiates between lactose fermenters and lactose non-fermenters. Organisms that can break lactose produce acidic end...
Curated Video
Principle of Salt Mannitol Agar-Isolation of S.aureus (Staphylococcus isolation)
SMA is used as a selective media for the isolation of pathogenic Staphylococci. Staphylococci have the unique ability of growing on a high salt containing media. Mannitol is the fermentable carbohydrate, fermentation of which leads to...
Curated Video
Eukaryotic Cell Cycle Regulation in 5 minutes
The cell cycle is a highly regulated process of eukaryotic cell division involving interphase (G1, S, G2 phases) for growth and DNA replication, followed by mitosis for chromosome segregation and cell division. Progression through the...
Curated Video
Forms of Energy
“Forms of Energy” explains how potential energy, kinetic energy, and heat energy change into other forms of energy.
Brainwaves Video Anthology
Jacob Rice - Why I Teach
Jacob Rice, a high school English teacher in Northeast Philadelphia, reflects on his journey into education and the disparities he observed growing up. Teaching near both the Philadelphia public school he attended and the wealthier Lower...
Learning Mole
Agriculture AI
Dive into 'Agriculture AI' to explore how artificial intelligence is revolutionizing farming, making it smarter and more efficient! A quick, fascinating look at tech's role in the fields, perfect for young minds eager to learn about the...
Curated Video
Celebrating New Year
Racing cars and a puppy are making a snowman. Helper Cars deliver gifts, and a timber truck brings a Christmas tree to decorate. What a beautiful tree! Time to open gifts!
Curated Video
Tree on the Road
Small race cars can’t pass due to a tree branch blocking the road. Helper cars cut the branch and replant the tree. Now the road is clear for all cars.
Curated Video
Cars Water the Beds
Lea goes to the farm on a warm spring day. The first sprouts are showing but they haven't got enough water. Lea tries to water them with her watering can, but the field's too big. Everyone, let's help Lea save the crop. Leo and his...
Great Big Story
The fun and challenges of eating in space
Explore how astronauts enjoy meals in zero gravity, from playing with food to adjusting flavors with spices.
Great Big Story
Riding the waves, Dubai’s passionate surfing community
Explore Dubai’s close-knit surfing scene, where locals and expats come together to ride the waves and share their passion for the sport.
Makematic
People and Their Environment
For centuries, humans have depended on, adapted to and modified the natural environment to survive and thrive. But the environment has also shaped the ways that we live.
Makematic
Territorial Expansion of the United States
Since its birth, the United States has acquired new territories through purchase, conflict and annexation. New territories ensured the country’s growth, but often at the expense of Indigenous peoples.
Makematic
The Gadsden Purchase
In 1853, the United States paid Mexico $10 million for less than 30,000 square miles of land, facilitating the completion of a Southern transcontinental railroad and decades of economic growth.
Makematic
The Stono Rebellion
Prior to the American Revolution, the Stono Rebellion of 1739 was the largest uprising of enslaved people in the thirteen colonies.
Makematic
The Gilded Age
Between the 1870s and 1900s, the United States experienced a period of rapid economic growth. But beneath the shiny veneer of the Gilded Age lurked profound inequality and widespread want.
Makematic
Expansion and Settlement of the United States
Today, the United States is home to more than 330 million people. In this video, learn about how the population has expanded and changed over time.
Makematic
Treaty of Ghent
The War of 1812, between the United States and Great Britain, ended with the Treaty of Ghent. This historic agreement, negotiated in Belgium over five months, proved that the U.S. could achieve its aims through diplomacy.
Great Big Story
Rapid harvest, the rush to gather a million Christmas trees
Dive into the intense, six-week race to harvest a million Christmas trees in Oregon, the U.S.'s top supplier.
Great Big Story
From cash to compost, how old money grows new life
Uncover the innovative journey of transforming old, unfit currency into fertile soil for urban farming in New Orleans.
Great Big Story
Exploring the redwoods of the ocean, california's kelp forests
Journey into the depths of California's kelp forests, the towering underwater ecosystems facing the challenges of climate change.