How Luffa Sponges Are Made
Did you know that Luffas are a type of cucumber? Take a tour of the Luffa Gardens in Reedley, California which grows and harvests organic luffa sponges. Luffas are best used for bathing, exfoliating and cleaning. Farm Owners Nathan and Sherri Pauls show us how luffas...
The Crazy Story Behind Fahrenheit and Celsius
As an Australian-Canadian the Fahrenheit temperature scale always seemsed a bit arbitrary. I mean why does water freeze at 32 degrees? And what exactly does zero represent? According to many sources the Fahrenheit scale was defined by setting zero degrees equal to the...
The Breathtaking Courage of Harriet Tubman
Escaping slavery; risking everything to save her family; leading a military raid; championing the cause of women’s suffrage; these are just a handful of the accomplishments of one of America’s most courageous heroes. Janell Hobson details Harriet Tubman's many fights...
Lego in Real Life: Clever stop-motion on how to make a duck pull toy.
This clever stop-motion is sure to put a smile on your face! A mock DIY video of a boy making a lego duck out of wood and paint that are really Legos. Take a look behind the scenes to see how they made this creative video.
Mr. Rogers: How Crayons Are Made
Who remembers this classic trip to the crayon factory with Mister Rogers? I was so excited to share this bit of magic from my childhood with my kids this week! Melted wax, saturated pigments, and a hardening agent get poured into tiny cylinders to make this everyday...
See how sci-fi movies get laser sound effects by skating on thin ice
Listen to the otherworldly sounds made as Mårten Ajne skates over the thin, black ice of this lake outside Stockholm, Sweden. Nordic skating is both an art and a science, as skaters look for the most black, most thin ice in order to make the most high-pitched laser...
What does “OK” really stand for?
How a cheesy joke from the 1830s became the most widely spoken word in the world. "OK is thought to be the most widely recognized word on the planet. We use it to communicate with each other, as well as our technology. But it actually started out as a language fad in...
How do we study the stars?
This TED Ed from Harvard University's Yuan-Sen Ting gives us a glimpse into how we can know so much about galaxies, planets, and stars. This is how astrophysicists see the universe. “Want to know the secrets of the universe? Just follow the light.”
Crazy, epic Rube Goldberg machine
Seven builders collaborate to make this epic Rube Goldberg machine, a complex chain reaction that travels through the kitchen, bedroom, bathroom, office, living room, patio, and backyard, using everyday objects to automatically pour lemonade for the entire team of...
Winter Magic: Soap and corn syrup bubbles freezing
Using a mixture of 6 parts water, 2 parts dish soap and 1 part white corn syrup, Don Komarechka filmed ice crystals forming across the thin walls of freezing bubbles. The corn syrup is an important ingredient as it allows the bubble to thicken on the bottom and acts...
Why do geese fly in a “V” formation?
Charlie from "Weird But True!" and "Nature Boom Time!" on National Geographic explains why geese fly in a "V" formation.
Why are our fingerprints unique?
Because of the chaotic way fingerprints develop and the multiplying effect of compound probability, it's basically impossible for any two fingers to have matching prints.
One Small Step, an Oscar-nominated short film
This touching, bittersweet animated short about Luna, a Chinese American girl who dreams of becoming an astronaut, is sure to move your heart and motivate you to go after your dreams, despite any obstacles that arise.
The graceful tree problem: can you find an unsolvable species?
Watch to learn about this super interesting math problem. It's also a game! Are you up for the challenge of finding an unsolvable species? Math whiz and puzzle designer Gordon Hamilton explains how to play in this fascinating video. Gordon is also the designer of the...
Jane Goodall inspires kids at Berkeley’s Redwood Grove
Dr. Jane Goodall speaks to children at Berkeley’s University of California Botanical Garden about her love for animals, spending the night in the African rainforest, chimpanzee observations, how her mother inspired her, and on never giving up hope for the future....
How beekeepers harvest honey
How do beekeepers harvest honey? Maddie Moate shows us how her beekeeping mother collects honey from their hives. This video is part of Maddie's series all about bees. We highly recommend checking out the entire series on her channel.
How do bees make honey?
Maddie Moate explains the science behind how bees make honey. Warning: if you watch this, you may never think of honey in the same way ever again!
Seven rad science experiments with surface tension
You can easily do all these experiments at home if you've got a plate, a glass, an index card, a q-tip, a penny, an eye dropper, dish soap, some food coloring, or a cup of coffee. Try one or all of them today!