Catalyst University
LDL-mediated Cholesterol Delivery to Cells
In this video, we explore the mechanism of LDL-mediated cholesterol delivery to peripheral cells.
NASA
A Titan Discovery
NASA Goddard scientists have made an exciting discovery on Saturn's largest moon, Titan. The team has definitively detected the molecule acrylonitrile in Titan's atmosphere - a finding that has astrobiological relevance. Credit: NASA’s...
JJ Medicine
Vasa Previa (Obstetrical Condition) | Causes, Risk Factors, Signs & Symptoms, Diagnosis, Treatment
Vasa Previa (Obstetrical Condition) | Causes, Risk Factors, Signs & Symptoms, Diagnosis, Treatment Vasa previa is an obstetrical condition involving unprotected fetal blood vessels that cross over the opening of the cervix, which can...
Science360
Human Water Cycle - Drinking Water
Water. It's an essential building block of life, constantly moving in a hydrologic cycle that flows in a continuous loop above, across and even below the Earth's surface. But water is also constantly moving through another cycle -- the...
Professor Dave Explains
Pharmacokinetics How Drugs Move Through the Body
We just learned about drug administration, or the ways that drugs can enter the body. What happens next? How do drugs move around the body to get to where they need to go? The study of this is called pharmacokinetics. Let's get into the...
TMW Media
Properties Of Water: The desalination process
Why is desalinated water important? How can graphene help with desalination? Properties Of Water, Part 4
Professor Dave Explains
Eukaryotic Cells Part 2: Plant Cells
It's not just animals that are made of cells, it's plants too! Plant cells are very similar to animal cells, but they have some stuff that animal cells don't, like chloroplasts, that allow for photosynthesis. Let's take a tour through a...
Next Animation Studio
Graphene offers possibility of low-cost desalination
Scientists at MIT have developed a water desalination technology using graphene that offers a low-cost alternative to existing technologies. Engineers introduced pores measuring 1 billionth of a meter into the graphene, enabling it to...
FuseSchool
Fluid mosaic model
We each have between 30 and 40 trillion cells in our body. With each cell containing our DNA, special cell machinery and the nutrients to keep our cells and us alive. But you may not have given much thought for the special protective...
Bloomberg
Why Chemours Is Splitting Up Its Fluoroproducts Division
Feb.12 -- Chemours Co. Chief Executive Officer Mark Vergnano explains why the chemical maker created two new business segments from its fluoroproducts division. He speaks with Bloomberg's Vonnie Quinn and Ed Hammond on "Bloomberg Markets."
Exploratorium
How Does Soap Inactivate Coronaviruses?
Washing hands is a simple way to stop the spread. Viewers watch a short video on why it is important to wash hands to curtail coronaviruses. The presenter provides an explanation of how soap and alcohol disrupt the membrane of a virus,...
Teacher's Pet
Active Transport
Active transport uses energy in the form of ATP. The video explains three types of active transport. It begins with membrane pumps before discussing endocytosis and exocytosis.
Bozeman Science
Archaea
There's archaea in my primordial soup! Viewers watch a video that explains what an archaea is, why it took us so long to find them, how they are different from eucaryota and bacteria, and the interesting discoveries about their...
Museum of Science
Ei E: Designing a Model Membrane (1)
Students focus on the bioengineering problem of meeting the basic needs of an organism as they imagine, plan, create, test, and improve their own model membrane.
Museum of Science
Ei E: Just Passing Through: Designing Model Membranes Lesson 3 Part 2
Students explore properties of natural membranes and test the performance of several model membrane materials. [19:02]
Museum of Science
Ei E: Just Passing Through: Designing Model Membranes, Lesson 3 Part 1
Students explore properties of natural membranes and test the performance of several model membrane materials. [19:18]
Museum of Science
Ei E: Just Passing Through: Designing Model Membranes Lesson 3 Part 2
Students explore properties of natural membranes and test the performance of several model membrane materials. [19:33]
Museum of Science
Ei E: Just Passing Through: Designing Model Membranes Lesson 3 Part 1
Students explore properties of natural membranes and test the performance of several model membrane materials. [18:52]
Khan Academy
Khan Academy: Tonicity Comparing 2 Solutions
Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. [11:03]