SciShow
What Happens When You Stop Eating?
You know what starvation is, but do you know what it does to you? Hank walks you through the three major metabolic phases of starvation, from burning sugars to, basically, self-cannibalism.
Be Smart
Can We Get Older Without Aging?
Nothing is guaranteed in life except death, taxes, and entropy. What do other life forms have to teach us about staying alive as we get old, and will we ever conquer death?
TED-Ed
TED-Ed: Why do our bodies age? - Monica Menesini
Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...
TED-Ed
TED-Ed: Making sense of how life fits together - Bobbi Seleski
From something as miniscule as a cell to the biosphere we all call home, living things fit together in numerous interesting ways. Bobbi Seleski catalogs biology from our body and beyond, tracking how unicellular organisms, tissues,...
Bozeman Science
Interstitial Fluid
Paul Andersen explains the importance and location of interstitial fluid. He describes both the hydrostatic and osmotic pressures that move fluid between the interstitial fluid and the capillary. He also explains the major function of...
SciShow
The Stressful Reasons Corals Are Becoming More Colorful
Scientists have found Coral reefs in new, dazzling colors, but this is a warning that the reefs are stressed out.
Crash Course
Tissues, Part 1: Crash Course A&P
In this episode of Crash Course Anatomy & Physiology, Hank gives you a brief history of histology and introduces you to the different types and functions of your body's tissues. -- Table of Contents: Nervous, Muscle, Epithelial &...
Crash Course
Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P
Today Hank wraps up our look at Connective Tissues with a discussion of its various types and a breakdown of what you can and can't easily break down. Also chicken. -- Table of Contents: Loose and Dense Connective Tissue 2:10.4 Areolar,...
Crash Course
Blood, Part 1 - True Blood: Crash Course A&P
Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma...
TED-Ed
TED-Ed: How X-rays see through your skin - Ge Wang
Originally discovered by accident, X-rays are now used about 100 million times a year in clinics around the world. How do these magic eyes work? Ge Wang details the history and mechanics of the X-ray machine and CT scanners.
Crash Course
The Skeletal System: Crash Course A&P
Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the skeletal system, including the flat, short, and irregular bones, and their...
Bozeman Science
Animals
Paul Andersen briefly surveys members of the Domain Animalia. He begins with brief description of the phylogeny of animals. He then describes the characteristics of all animals, heterotrophy, multicellularity, motility and blastula. ...
TED-Ed
TED-Ed: You could have a secret twin (but not the way you think) | Kayla Mandel Sheets
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes...
Bozeman Science
Anatomy and Physiology
Paul Andersen introduces Anatomy and Physiology in this podcast. He starts by describing how the form of an object fits the function. He then explains the themes of homeostasis and hierarchy. He describes the four major types of tissues;...
Crash Course
Vascular Plants = Winning! - Crash Course Biology
Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can...
Curated Video
WHAT IS A CT SCAN and why do we need it
Have you ever wondered what are ct scans used for? And how do they work? In this video, we will be answering all the lingering questions you may have about this popular medical imaging technique. DISCLAIMER: The content in this video is...
Curated Video
Oxygenated
A substance in which the concentration of oxygen is elevated is said to be oxygenated. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Respiration
The chemical reaction that takes place in all living cells to release energy from glucose. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Decomposition
The process by which dead organic matter is broken down into simpler chemicals and dispersed. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Vacuole
A fluid-filled compartment inside a cell, surrounded by a membrane. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Bioaccumulation in Food Chains
Investigating why peregrine falcon populations are threatened by pollution from industry thousands of kilometres away. Biology - Ecosystems - Learning Points. The peregrine falcon lives remotely but is affected by man-made chemicals....
Curated Video
Stem Cells: Versatile Cells with the Potential to Specialize
Unspecialised cells that can divide repeatedly and develop into different types of specialised cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Wonderscape
Cell Differentiation and Organismal Complexity
Explore the process of cell differentiation and how cells specialize to perform various functions in animals and plants. Learn how cells organize into tissues, which in turn form organs and organ systems, allowing organisms to perform...
Curated Video
Unraveling Clues: Forensic Techniques in Action
Dive into a hands-on forensic training session with four future detectives in Ecully near Lyon, exploring the precision of fingerprint analysis, DNA extraction, and the unique method of odorology. Discover how modern techniques rapidly...