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The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and ...

Scientific discovery isn't as simple as one good experiment. The weird and wonderful history of cell theory illuminates the twists ...

Created by Matthew McPheeters. Watch the next lesson: ...

The first thing we will examine in our study of adaptive immunity is T and B cell development. How do these cells establish such ...

Table of Contents: 00:00 Intro 1:00 Cell Growth and Cell Reproduction 1:42 Cancer (explaining uncontrolled cell growth) 3:27 Cell ...

Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor.

MCAT on Khan Academy: Go ahead and practice some passage-based questions! About Khan Academy: Khan Academy offers ...

Before diving into animal diversity, we need a bit more information about animal development, as it will help us understand what ...

▻ LEARN ABOUT: - Stages of maturation - lg expression - Surface markers - Anatomic site - Proliferation - RAG expression - TdT ...

Learn about the science of stem cells and how these incredible, transforming cells could lead to personalized medicine for ...

Cancer can develop in any of the body's tissues and at any age. The clinical presentation is variable; however, cancers share a ...

Don't let your cells die before the end of your project! In this video, learn how to develop an immortalized cell line from primary ...

Growing organs in the Lab - Find out how scientists are making human organs in the lab from stem cells. While we can't grow fully ...

Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Table of ...

024 - Regulation of Timing and Coordination in Development - Paul Andersen explains how genes control the timing and ...

We've touched on apoptosis before, especially when we learned about cancer in the biochemistry series. But let's a closer look.

We know that we are made of cells. But we start out as just one tiny little cell in the womb. How does that become enough cells to ...

Fat cells don't often receive praise in everyday life, but they probably deserve more credit, as they might be healing our wounds.

It's all about the SUPER TINY in this episode of Crash Course: History of Science. In it, Hank Green talks about germ theory, John ...

What are common cell signaling pathways? To make a multicellular organism, cells must be able to communicate with one ...