NASA
NASA's Curious Universe: Webb Space Telescope: Into the Unknown
The James Webb Space Telescope is going to open a new window into the universe. It will show us stars, galaxies, planets, and other objects as we’ve never seen them before. In the first of four episodes of our mini-series, we focus on...
Next Animation Studio
Hubble Space Telescope finds charged soccer-shaped molecules in space
The Hubble Space Telescope have identified electrically-charged molecules in space that are shaped like soccer balls.
Primer
Why do Things Exist? Setting the Stage for Evolution
Before thinking about living things, let's see what we can say about why raindrops and planets exist.
Next Animation Studio
Molecule could determine dementia type
Scientists have identified single tau protein molecules that could help identify what form of dementia may develop in a person's brain.
Catalyst University
Human Sulfur Assimilation: ATP Sulfurylase and ASP Kinase
Human Sulfur Assimilation: ATP Sulfurylase and ASP Kinase
Curated Video
Freezing
This live-action video program is about the word freezing. The program is designed to reinforce and support a student's comprehension and retention of the word freezing through use of video footage, photographs, diagrams and colorful,...
Catalyst University
Combining Cations & Anions to Name Ionic Compounds
Here, I show you how to write the formula for an ionic compound given the cation and anion. [5 examples]
Catalyst University
Catalase Physiology, Biochemistry, and Inorganic Mechanism
Catalase Physiology, Biochemistry, and Inorganic Mechanism
Catalyst University
Type II Alveolar Cells | Pulmonary Surfactant
Type II Alveolar Cells | Pulmonary Surfactant
The Economist
How to treat covid-19
A vaccine for covid-19 is a long way off. In the meantime, could existing drugs be used to treat the novel coronavirus?
Curated Video
Active Transport: Moving Substances Against Concentration Gradient
This video explains the concept of active transport, which is the movement of substances from a more diluted concentration to a more concentrated concentration against a concentration gradient. The video provides examples of active...
Catalyst University
The GABAa Receptor & Positive Allosteric Modulation
The GABAa Receptor & Positive Allosteric Modulation
Institute for New Economic Thinking
Ricardo Hausmann: Taking Stock of Complexity Economics 4/5
Ricardo Hausmann, Professor of the Practice of Economic Development, Harvard University speaking at the breakout panel entitled "Taking Stock of Complexity Economics: Which Problems Does It Illuminate?" at the Institute for New Economic...
Catalyst University
Sulfation of Steroids by Sulfotransferases [DHEA & Estrone]
This video explores the roles of sulfation of DHEA and estrone by sulfotransferase enzymes. ATP Sulfurylase
Catalyst University
What is Lactate and Lactic Acid?
In this video, we discuss how lactate is formed in skeletal muscle and under what conditions such as high-intensity exercise. Also, we will dispel some misconceptions regarding lactate.
Catalyst University
Fick's First Law (2): Flux and Concentration Gradient With Example #1
Fick's First Law (2): Flux and Concentration Gradient With Example #1
Physics Girl
Spaceships pushed by LIGHT – the future of space travel?
What if you could power a ship using sunlight instead of wind? Well in space, you can! Solar sails or light sails are pushed with light from the sun. Photons provide a kick when they reflect off the sail pushing the sail like an air...
Catalyst University
Chorismate, Phenylalanine, Tyrosine Biosynthesis
Chorismate, Phenylalanine, Tyrosine Biosynthesis
Next Animation Studio
‘Iron rain’ found on exoplanet
Scientists have found evidence of iron rain on an exoplanet hundreds of lightyears from Earth, according to new research.
Professor Dave Explains
Homotopic, Enantiotopic, Diastereotipic, and Heterotopic Protons
Looking at different types of protons in the context of NMR spectroscopy.
Catalyst University
Nucleotide Metabolism | Myokinase & the Purine Nucleotide Cycle
Nucleotide Metabolism | Myokinase & the Purine Nucleotide Cycle
STAT
Science Happens! With Carl Zimmer
We each spend about one-third of our lives sleeping. But what goes on in our brains when we're asleep? In search of answers, Amita Sehgal studies the sleeping habits of fruit flies.