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Bozeman Science
AP Biology Lab 3: Mitosis and Meiosis
Paul Andersen compares and contrasts mitosis and meiosis. He shows how you can count cells in various phases of mitosis to construct a cell cycle pie chart. He also explains how you can use the fungus Sordaria to calculate map units...
Earth Rangers
All Kinds of Dinosaurs
Paleontologists learn about dinosaurs by searching for and studying fossils, which provide evidence about how a living dinosaur would have looked or acted. They use what they learn to teach others. Occasionally, paleontologists make a...
Curated Video
How to Tie a Merovingian Knot
Howcast - Learn how to tie a Merovingian knot from Louis Purple menswear boutiques founder Charles Brunold in this Howcast video.
Crash Course
A Tour of the Cell: Crash Course Biology #23
The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced. In this episode of Crash Course Biology, we’ll take a look at the difference between...
MinutePhysics
Open Letter to the President: Physics Education
Does something seem missing from your Physics class? Is it ... excitement? Current physics topics? The latest discoveries? The video explains some of the "gaps" in most physics curricula throughout the United States. Scholars learn...
Howard Hughes Medical Institute
The Chemical Structure of DNA
DNA follows specific rules when it comes to structure and pairings. Understand what DNA looks like, how it builds itself, and some of the rules that limit it. Individuals view animations showing details not observable under a microscope...