TLDR News
The Destruction of United States Postal Service? What the Hell is Happening to the USPS? - TLDR News
In recent weeks there have been some pretty substantial changes made to the United States Postal Service, with people claiming that some might be trying to destroy the USPS. This would always be controversial, but especially in the light...
msvgo
Periodic Trends in Chemical Properties
It discusses the trends of chemical properties such as oxidation states, chemical reactivity.
Be Smart
How Many Species Are There?
How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...
PBS
Quantum Invariance & The Origin of The Standard Model
Our laws of physics are equations of motion, along with some associated constants. We've talked about the symmetries of these equations, and how they lead us to conserved quantities. But this is just the tip of the theoretical iceberg -...
Curated Video
PMP Certification Training - Difference Between Projects, Programs, and Portfolios
This video explains the difference between projects, programs, and portfolios. This clip is from the chapter "Project Management Framework" of the series "PMP® Certification Training".This section explains the project management framework.
Jabzy
Slavery in Korea - Stuff That I Find Interesting
In this video, Jabzy brings us historical tidbits and unknown facts about Slavery in Korea
Let's Tute
Adding and Subtracting Fractions: The Butterfly Method and More
This video teaches how to add and subtract fractions with the same and different denominators using various methods, including the butterfly method and cross multiplication. The instructor explains the logic behind the methods and...
Weatherthings
Weather and Seasons: sun, heat, air, wind, rain
A little girl and her grandfather spend a summer afternoon sitting by a pond. The conversation changes from how warm the summer day is to how the pond gets cold and freezes in the winter. The grandfather helps the girl understand how the...
Crash Course
Redox Reactions: Crash Course Chemistry
All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from...
SciShow
The Quest for Glueballs
The quantum world is weird. Today we're looking at a strange particle called a glueball that contains no matter...they're made of pure force!
Curated Video
I WONDER - How Many Species Are Named After David Attenborough?
This video is answering the question of how many species are named after David Attenborough.
Economics Explained
The Economics of Hollywood: Movie Theatres
$42 billion dollars. That is the amount of money grossed by films at the global box office in 2019. Impressive? Definitely. Surprising? Probably not, especially when you consider that global box office revenues have increased...
Visual Learning Systems
Producing Energy From Biomass
This video discusses biomass energy, which utilizes plant materials and animal wastes as sources of fuel. The video touches on various examples and the importance of using biomass sustainably.
This video is part of the 11-part series,...
JJ Medicine
Vitamin C and the Immune System | Roles of Vitamin C in Respiratory Infections
Vitamin C and the Immune System | Roles of Vitamin C in Respiratory Infections Vitamin C (also known as ascorbic acid) is an essential, water-soluble vitamin that is required in the human diet as it is necessary for a variety of bodily...
60 Second Histories
Roman armour - lorica segmentata
A legionary describes the armour called lorica segmentata or 'segmented' armour which is heavier and more uncomfortable but offers better protection, it's even arrowproof
Professor Dave Explains
Reduction of Esters With DIBAL-H
We know about a lot of different oxidizing and reducing agents that facilitate a variety of different transformations. But we haven't touched upon the precise transformation that can be achieved by diisobutylaluminum hydride, also known...
Catalyst University
Catalytic Mechanism of Myeloperoxidase & Hypochlorous Acid Functions
Here we explore the catalytic mechanism of Myeloperoxidase and subsequent formation of Hypochlorous Acid and Hypothiocyanite, two reactive oxidative species (ROS). We will also see functions of Hypochlorous Acid.
Crash Course
Alkene Redox Reactions - Crash Course Organic Chemistry
Oxidation-reduction reactions are going on around us, and inside us, all the time, and we can make redox reactions in organic chemistry easier to understand by tracking carbon-oxygen bonds. In this episode of Crash Course Organic...
SciShow
10 Surprising Chemicals Your Body Makes
Everything is made of chemicals, including the human body, but there are some especially weird ones
TED Talks
TED: Super speed, magnetic levitation and the vision behind the hyperloop | Josh Giegel
What if your hour-long commute was reduced to just minutes? That's the promise of the hyperloop: a transit system designed around a pod that zooms through a vacuum-sealed space (roughly the size of a subway tunnel) at hyper-speed,...
JJ Medicine
Acute Gastritis (Stomach Inflammation) | Causes, Signs & Symptoms, Diagnosis, Treatment
Acute Gastritis (Stomach Inflammation) | Causes, Signs & Symptoms, Diagnosis, Treatment Acute gastritis is a condition involving inflammation of the gastric (stomach) mucosa. A wide variety of factors can cause acute gastritis including...
SciShow
Pennsylvania's 50-Year-Old Coal Fire
SciShow takes you to Centralia, Pennsylvania, site of one of the oldest, biggest coal fires in the United States, and explains the chemistry of spontaneous combustion.