National Institute of Standards and Technology
Screaming Photons
Students from the Alexander Dawson School in Boulder, Colorado explain the workings of a "dark detector" coated with the one of the world's darkest materials, a forest of carbon nanotubes that reflect almost no light across the visible...
Curated Video
The Composition and Reactions of Oxygen and Carbon Dioxide in the Atmosphere
The video discusses the composition of air, specifically the gases nitrogen, oxygen, argon, and carbon dioxide. The presenter explains how these gases react with certain compounds and how they can be made from other substances. The video...
FuseSchool
Extraction Methods - Bioleaching & Phytomining
Learn the basics about future extraction methods including bioleaching and phytomining. This is a part of the overall environmental chemistry topic.
Science360
Fuel Cell Efficiency - Science of Innovation
To operate and function efficiently, machines of all shapes and sizes need a source of energy. A series of innovations is helping to make energy conversion within fuel cells as efficient as possible.
Science360
Fuel Cell Efficiency - Science of Innovation
To operate and function efficiently, machines of all shapes and sizes need a source of energy. A series of innovations is helping to make energy conversion within fuel cells as efficient as possible. Provided by the National Science...
msvgo
Extraction of Crude Metal from Concentrated Ore
It describes the two steps of extraction- conversion of oxide and reduction of oxide to metal.
Professor Dave Explains
IUPAC Nomenclature of Alkanes: Part 2
Naming molecules according to IUPAC nomenclature.
Catalyst University
Oxidation versus Reduction: A Comparison
Oxidation versus Reduction: A Comparison
Professor Dave Explains
More Examples Using the Cahn-Ingold-Prelog Convention
Harder examples using the Cahn-Ingold-Prelog convention.
Astrum
Why was Betelgeuse dimming? New data from Hubble
Betelgeuse, Betelgeuse, Betelgeuse. Why were you dimming? Scientists may have finally come up with the answer thanks to data from Hubble.
TMW Media
The Milky Way, Our Galaxy: Learn about other stars compared to our sun and how they will die
What are the outer rings of a dying star? How are Supernovas created? The Milky Way, Our Galaxy, Part 2
Science360
Can Plants Get Enough Nitrogen? - The Carbon Cycle
Plants need nitrogen. Can they get enough to meet the increased levels of carbon dioxide?
Professor Dave Explains
Anti-Markovnikov Hydrohalogenation
Looking at anti-markovnikov hydrohalogenation as an example of a radical reaction.
JJ Medicine
TCA / Krebs Cycle / Citric Acid Cycle - Basics for Beginners - Biochemistry Lesson
Hey guys! In this video, you will learn what the TCA cycle or Krebs cycle or Citric Acid cycle is and how to remember/memorize it easily by providing tips and tricks on how to remember the pathway. Specifically, I discuss the cycle on a...
NASA
NASA | Plant Productivity in a Warming World
The past decade is the warmest on record since instrumental measurements began in the 1880s. Previous research suggested that in the '80s and '90s, warmer global temperatures and higher levels of precipitation -- factors associated with...
msvgo
Structure of DNA
This nugget describes historical aspect of discovery of nucleic acid, basic structure of polynucleotide chain, Watson model of DNA and types of DNA.
msvgo
Uses - Oxides of nitrogen
It describes oxides of nitrogen and explains the preparation & properties of nitric.
Institute for New Economic Thinking
Can Markets Save the Planet?
Graciela Chichilnisky has a plan to do exactly that. Co-author of the Kyoto protocol, creator of the carbon market, and leader of the “carbon negative technology” company Global Thermostat, she argues that the same mechanisms that got us...
Professor Dave Explains
Types of Photosynthesis in Plants: C3, C4, and CAM
We learned about photosynthesis over in the biochemistry series. But now that we are taking a closer look at plants, we need to learn about the different types of photosynthesis that exist within the plant kingdom. The version we learned...
FuseSchool
Properties of Hydrogen
Hydrogen is a gas at room temperature, and is the first element in the periodic table. It has the chemical symbol H, but is usually found as a diatomic molecule of H2. It reacts with oxygen to form water. Hydrogen is a colourless,...