SciShow
How an Ancient Remedy Became a Modern Cure for Malaria
In the 1960s drug-resistant strains of malaria emerged, making the disease even deadlier than before. Then, pharmaceutical scientist Tu Youyou discovered a promising new remedy buried within the pages of ancient Chinese texts.
Bozeman Science
Cellular Organelles
Paul Andersen describes the structure and function of the major organelles in a eukaryotic cell. The endoplasmic reticulum, ribosomes, and golgi complex produce and store proteins in the cell. Lysosomes dissolve broken and invasive...
Crash Course
What Does the Atmosphere Do Crash Course Geography
Much like a cell membrane, our atmosphere forms a protective boundary between outer space and the biosphere that allows for all life to exist on Earth’s surface. Today, we’re going to talk about its composition and layers (the...
SciShow
Why Do We Keep Needing New "G"s?
What’s with all the "G"s and why do we keep having to develop new ones to use our phones in this technology.
SciShow
Visual Illusions: Why You See Things That Aren't There
What's the deal with all those little flashes of light you see when you close your eyes? And why do truck drivers and people in jail see glowing circles and spirals?
SciShow
Why Is Heart Cancer So Rare?
Why don't we hear about people getting heart cancer? Turns out that some types of cells are less susceptible to cancer than others.
SciShow
What Happens If You Fuse All Your Chromosomes? | SciShow News
Two separate groups of biologists reported fusing entire sets of Saccharomyces cerevisiae chromosomes together, and surprisingly, the actual number of chromosomes might not be as important as we thought.
SciShow
6 Dangerous Diseases Hiding in U.S. Backyards
Microbes are all around us, on everything we touch, drink, or eat. While most microbes can't hurt us, you don't have to go much farther than your own backyard to find some that really can! Chapters PLAGUE 0:39 TULAREMIA 4:48...
SciShow
Prelude to a Revolution | Antibodies Series Part 1
You may have heard a lot of talk about antibodies lately, especially in relation to vaccines. We wanted to tackle this important subject, but these tiny objects are deceptively complex! So, this is the first of three episodes in a...
Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
SciShow
Why Ferns Have More Chromosomes Than You
Chromosomes are fascinating little things, and today, Hank explains why more of them doesn't mean more complex, and why different organisms have different numbers of chromosomes. The short answer: mistakes happen.
TED-Ed
TED-ED: What is leukemia? - Danilo Allegra and Dania Puggioni
Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when the transformation goes wrong, harmful mutations can cause the cells to start...
SciShow
How Scientists Are Using Diaper Technology to Study Brains
Microscopes are great for studying tiny things, but they have limits. Luckily, scientists have found a way to make tiny things larger, and it involves a chemical you can find in diapers.
TED Talks
Dan Pacholke: How prisons can help inmates live meaningful lives
In the United States, the agencies that govern prisons are often called 'Department of Corrections.' And yet, their focus is on containing and controlling inmates. Dan Pacholke, Deputy Secretary for the Washington State Department of...
TED Talks
David Bolinsky: Visualizing the wonder of a living cell
Medical animator David Bolinsky presents 3 minutes of stunning animation that show the bustling life inside a cell.
SciShow
Meet Your Microglia: Your Brain's Overlooked Superheroes
When talking about the brain, neurons have been dazzling scientists for a long time. But behind every successful neuron is a glial cell - particularly one type of them: microglia.
Amoeba Sisters
Epigenetics
You know all about how DNA bases can code for an organism's traits, but did you know there's more influencing phenotype than just the bases? Explore epigenetics with the Amoeba Sisters by learning about a few types of epigenetic marks...
TED-Ed
TED-ED: Secrets of the X chromosome - Robin Ball
The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end up with a genetic disorder while the other...
SciShow
Xenophyophores: The Strange Life of a Giant Single Cell
You may think of single-celled organisms as being microscopically small, but these ocean dwellers are a little heftier than that.
TED Talks
TED: The electrical blueprints that orchestrate life | Michael Levin
DNA isn't the only builder in the biological world -- there's also a mysterious bioelectric layer directing cells to work together to grow organs, systems and bodies, says biologist Michael Levin. Sharing unforgettable and groundbreaking...
Crash Course
Immune System, part 3: Crash Course A&P
THE FINAL SHOWDOWN! This is the last episode on the immune system and also the very last episode of Crash Course Anatomy & Physiology. In it, Hank explains how the cellular immune response uses helper, cytotoxic, and regulatory T cells...
TED Talks
Jeff Smith: Lessons in business ... from prison
Jeff Smith spent a year in prison. But what he discovered inside wasn't what he expected -- he saw in his fellow inmates boundless ingenuity and business savvy. He asks: Why don't we tap this entrepreneurial potential to help...
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.