Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: Introduction to cell theory–the idea that 1) all living things are made of one or more cells, 2) cells are the basic unit of life and 3) all cells come from other cells. Explore the roles that Hooke, Leeuwenhoek and others played […]
Is Earth Actually Flat?
Support Vsauce, your brain, Alzheimer’s research, and other YouTube educators by joining THE CURIOSITY BOX: a seasonal delivery of viral science toys made by Vsauce! A portion of all proceeds goes to Alzheimer’s research and our Inquisitive Fellowship, a program that gives money and resources directly to growing science channels here on YouTube! follow: LOTS […]
Where Did Earth Come From?
Earth is a huge planet full of incredible sights and amazing creatures! But have you ever wondered where the Earth came from in the first place? Well, by looking at other stars and planets, scientists think they have a pretty good idea! ———- Love SciShow Kids and want to help support it? Become a patron […]
Origins of life | Biology | Khan Academy
An overview of the question of how life first arose on Earth. Watch the next lesson: Missed the previous lesson? Watch here: Biology on Khan Academy: Biology, defined as the scientific study of life, is an incredibly broad and diverse field. In many ways, it’s as kaleidoscopic and rich as living organisms themselves. Biologists study […]
Washington Irving — The Legend of Sleepy Hollow (8% Slowed Down Free Audio Book)
This free audio book was slowed down using Audio Speed Changer Pro: Windows downloader of free audio books: Audio book player for Windows: SuperUtils bundle offers including the Angel’s Vox audiobook player, Audio Speed Changer Pro, and Audio Book Downloader Pro: The original-length version of the audiobook ‘The Legend of Sleepy Hollow by Washington Irving’ […]
How the Illuminati conspiracy theory started | BBC Ideas
Is Jay-Z really in the Illuminati? Is Donald Trump? Is Katy Perry? Am I? Everyone from the BBC to Beyoncé has been accused of being part of the Illuminati – a secret group said to comprise of the world's most powerful people seeking to establish a new world order. Even if you haven't heard of […]