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What even is...life? What is DNA? How does the brain work? Let's learn pretty much all of Biology (worth knowing) in under 20 ...

Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. The word “life” can be tricky ...

The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has ...

Contents of Major Points in Video: Intro 00:00 Cell Theory: 1:10 Prokaryotes and Eukaryotes 1:55 Tour Inside Cell Explaining ...

Table of Contents: Video Intro 00:00 Intro to Heredity 1:34 What is a trait? 2:08 Traits can be influenced by environment 2:15 DNA ...

This animation by Nucleus shows you the function of plant and animal cells for middle school and high school biology, including ...

Introduction to the cell. View more lessons or practice this subject at ...

In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. Pssst... we ...

Biology overview.

Introduction to cellular respiration, including glycolysis, the Krebs Cycle, and the electron transport chain. Watch the next lesson: ...

After we learn chemistry and biochemistry, we are ready for biology! In this course we extend our understanding of molecules to ...

Including photographs and video by Tim Laman.

What is biology? How to study biology well? This is a complete introduction to Biology. In fact, "bio" in "biology" means "life" and ...

Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy ...

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

Microbiology seems tough? Here we simplify this subject and make it an enjoyable one! Start with us in microbiology, and ...

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world ...

Let's learn all about the human brain! It's the most complex and fascinating object in the known universe. It's the source of our ...

Ecology is the study of the interactions of living things with each other and their environment. It's a field that not only lets us explore ...

Biology – a beautiful field of mathematics where division and multiplication are the same thing. Since we're doing bad biology ...