MinuteEarth
The Bird Poop That Changed The World
Thanks to my grandmother for inspiring this story, and to my mother for helping make it. Bird poop was the gateway fertilizer that turned humanity onto the imported-chemical-based farming system of modern agriculture....
Bozeman Science
Atoms and the Periodic Table
Mr. Andersen describes atomic structure and tours the periodic table.
Crash Course
The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry
Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went...
Crash Course
Pollution: Crash Course Ecology
Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and...
SciShow
We Found One of the Oldest Galaxies Ever!
Astronomers found a galaxy older than almost any we’ve ever seen before, and we have a new, faster method to use in our search for habitable planets.
Curated Video
Composition of the Atmosphere
New ReviewA video entitled "Composition of the Atmosphere" which talks about what gases are found in the atmosphere, what happens in photosynthesis, and what the ozone accomplishes.
Curated Video
What Happens to Your Atoms After Death? A Scientific View
New ReviewWhat happens to your atoms when you die? About 100 billion people have died since the dawn of humanity. Since the law of conservation of matter says that matter cannot be created or destroyed, all their atoms have to be still be around....
Curated Video
How to Keep Compost Worms Warm & Healthy
Howcast - Just because they are chewing on your garbage doesn't mean compost worms don't like to be warm and safe from the cold, so keep them healthy and snug with these tips.
Curated Video
Nitro Beers
Howcast -Learn all about nitro beers from expert Katherine Kyle in this Howcast video.
Curated Video
How to Have a Green 4th of July
Celebrate the holiday by using these seven tips to stay green this 4th of July.
Curated Video
DNA Structure Mneumonic: Purine and Pyrimidines Structures Made Easy
DNA (Deoxyribonucleic acid) carries the genetic instructions for an organism's growth, development, and reproduction, encoded by sequences of four nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). These bases form...
Curated Video
Cysteine Lactose Electrolyte Deficient Agar
Cysteine Lactose Electrolyte Deficient Agar is a differential media. It is preferred over MacConkey’s agar to differentiate between lactose fermenters and lactose non-fermenters. Organisms that can break lactose produce acidic end...
Professor Dave Explains
The Haber-Bosch Process: Industrial Ammonia Synthesis
We just finished looking at some catalytic hydrogenation reactions, so let's look at another extremely important application of hydrogen gas. Ammonia is a critically important compound for many reasons, particularly fertilizer production...
Curated Video
Predicting direction of reaction
Explains how comparing 𝑄 Q with 𝐾 K determines the direction of reaction shift
Curated Video
Significate of equilibrium constant
Explains how the magnitude of the equilibrium constant reflects reaction favorability.
Curated Video
Kc & Kp Units
Explores the units of equilibrium constants for reactions in different states
Curated Video
Equilibrium Constant (Kc)
Explains the significance of 𝐾 𝑐 K c , which relates concentrations of reactants and products at equilibrium
Curated Video
Molecules, compounds and types of chemical bonds
What is the difference between a molecule and a compound? What are the main types of chemical bonds? In this video, we will be answering those questions and more.
Curated Video
Writing Formulas for Covalent Compounds
A covalent compound is formed when 2 nonmetals bond together. When we have a covalent compound we have to use a specific set of naming rules. The first rules is that the first element keeps its name. The second rule is that the second...
Curated Video
Naming Covalent Compounds the EASY way | How to pass Chemistry
This videos will cover how to name covalent compounds. It is important to remember that we have to use prefixes when we name covalent compounds. Covalent bonds, or compounds, form between 2 nonmetals, or 2 anions. In a covalent bond the...
Curated Video
How To Stop Your Poop From Killing Corals
Corals all over the world are threatened by warming ocean temperatures. But 30 years of data show that reefs off the Florida Keys could protect themselves from rising temperatures if they weren’t also dealing with nutrient pollution...
Astrum
Images from the Other Side of Pluto
What's happening over and under Pluto's fascinating surface.
Veritasium
Making Liquid Nitrogen From Scratch!
Making liquid nitrogen is hard - in fact up until 150 years ago scientists doubted whether it was even possible to liquefy nitrogen. In 1823, At the royal institution in London, Michael Faraday first produced liquid chlorine, kind of...