Science360
Hydrogen - Green Revolution
How do we harness the power of hydrogen and turn it into useable energy? This episode of Green Revolution talks to scientists who are up for the hydrogen energy challenge. Visit the full Green revolution interactive at:...
Curated Video
Cracking Hydrocarbons: Converting Heavy Fractions to Lighter Fractions
The video discusses the process of cracking hydrocarbons and why it is necessary, as the heavier fractions of crude oil are not in high demand compared to the lighter fractions which are highly demanded for use as fuels and starting...
Catalyst University
(NEW!) Glycolysis Part 3 4 The Payoff Phase
(NEW!) Glycolysis Part 3 4 The Payoff Phase
NASA
NASA | IBEX Spacecraft Observes Matter from Interstellar Space
A great magnetic bubble surrounds the solar system as it cruises through the galaxy. The sun pumps the inside of the bubble full of solar particles that stream out to the edge until they collide with the material that fills the rest of...
NASA
NASA | Afterschool Universe: Stellar Fusion Demonstration
Afterschool Universe is an out-of-school-time astronomy program for middle school students that explores basic astronomy concepts through engaging hands-on activities and then takes participants on a journey through the Universe beyond...
NASA
HIRMES: SOFIA's latest high-resolution Mid-infrared Spectrometer
A team from NASA's Goddard Space Flight Center in Greenbelt, Maryland, is developing a new, third-generation facility science instrument for the Stratospheric Observatory for Infrared Astronomy, SOFIA. The High Resolution Mid-InfrarEd...
Professor Dave Explains
Covalent Bond Energy and Length
We've already learned about different types of chemical bonds, including covalent bonds. But now that we know about enthalpy, and orbitals, and some other concepts, let's revisit the covalent bond and dig a little deeper.
Science360
4 Awesome Discoveries You Probably Didn’t Hear About This Week - Episode 28
Hydrogen from industrial waste, gripping shrinkage, urban heat archipelagos, and shedding ice. Ice-proof coating for big structures...
Curated Video
The Versatile Uses of Precious Metals and Essential Elements
Let's take a look back at the elements silver, hydrogen, phosphorous, germanium, and sulfur.
Professor Dave Explains
Balancing Redox Reactions in Acidic and Basic Conditions
We know that redox reactions are ones that involve electron transfer. Something is oxidized, and something else is reduced. But these reactions can be tricky to balance when surrounding water molecules are involved in the reaction. Let's...
Catalyst University
Methanogenesis: Intestinal Biosynthesis of Methane
Methanogenesis: Intestinal Biosynthesis of Methane
Curated Video
Electrolysis of Aqueous Solutions: Theory and Applications
This is a video discussing the theory and practical applications of electrolysis of aqueous solutions. The speaker explains what electrolysis is and how it involves the splitting of compounds using electricity. They then dive into the...
Professor Dave Explains
Periodic Table Part 5: Carbon Group (C, Si, Ge, Sn, Pb, Fl)
It's time to check out Group 14 on the periodic table, the carbon group. This includes carbon, silicon, germanium, tin, lead, and flerovium. What can we say about their properties, reactivities, and applications? Let's find out!
Professor Dave Explains
Organometallic Reactions Part 6: Metathesis Reactions
Before we dive into the applications of organometallic reactions, let's look at one more type of reaction: metathesis. In metathesis reactions, two bonds will break and two bonds will form. Let's look at some of these possibilities!
Curated Video
Atmospheric Pollutants from the Combustion of Fuels
The video explains how the combustion of fuels produces atmospheric pollutants, such as greenhouse gases, carbon monoxide, carbon particulates, sulfur dioxide, and nitrogen oxides. It describes the chemical reactions that occur during...
Professor Dave Explains
Cahn-Ingold-Prelog Convention (Determining R/S)
Learning how to assign absolute configuration (R/S) to any stereocenter.
Curated Video
Exploring Neptune: The Farthest Planet of the Solar System
Neptune is the farthest planet from the sun in our solar system. It has 14 known moons and five rings. Learn more about Neptune and its climate.
Curated Video
Calculating Gas Volumes and Masses at Room Temperature and Pressure
This video explains how to use the fact that the volume of 1 mole of any gas at room temperature and pressure is 24 decimeters cubed to perform different calculations related to gases. The video presents four examples of how this fact...
Catalyst University
Intestinal Sulfate Reduction to H2S by Sulfur-Reducing Bacteria
In this video, we will explore the source of the major cause of the smell of flatulence. Intestinal sulfate-reducing bacteria reduce sulfate to hydrogen sulfide (H2S). We will see the biochemical pathway here and how it is coupled to...
NASA
NASA | Measuring Mars' Ancient Ocean
For decades, planetary scientists have suspected that ancient Mars was a much warmer, wetter environment than it is today, but estimates of just how much water Mars has lost since its formation vary widely. Now, new isotopic measurements...
Curated Video
Exploring Jupiter: The Giant Gas Giant
This video provides a description of the planet Jupiter. It describes Jupiter as a gas giant composed mainly of gases like ammonia, sulfur, and hydrogen. The interior of the planet is explained to consist of compressed hydrogen gas,...
Rock 'N Learn
Physical Science : Motion And Gravity
Physical Science for Kids is the fun way to learn important facts about physical science and get ready for tests. Take a fascinating journey to the Super Science Station to learn about motion and gravity.