TED Talks
Julie Cordua: How we can eliminate child sexual abuse material from the internet
Social entrepreneur Julie Cordua works on a problem that isn't easy to talk about: the sexual abuse of children in images and videos on the internet. At Thorn, she's building technology to connect the dots between the tech industry, law...
Crash Course
When Predictions Succeed - Crash Course Statistics
In our series finale, we're going to take a look at some of the times we've used statistics to gaze into our crystal ball, and actually got it right! We'll talk about how stores know what we want to buy (which can sometimes be a good...
Crash Course
The Spanish Golden Age: Crash Course Theater #19
This week on Crash Course Theater, Mike and Yorick take us to beautiful Spain, and look at its Golden Age. Spain was having kind of a moment in the 16th and 17th centuries. They had this big empire, the culture was really flowering, and...
TED Talks
TED: Tough truths about plastic pollution | Dianna Cohen
Artist Dianna Cohen shares some tough truths about plastic pollution in the ocean and in our lives -- and some thoughts on how to free ourselves from the plastic gyre.
Bozeman Science
Ray Diagrams - Lenses
In this video Paul Andersen explains how ray diagrams for lenses can be used to determine the size and location of a refracted image. Images may be either real or virtual images. Ray diagrams for converging and diverging lenses are...
SciShow
The Fibonacci Sequence: Nature's Code
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
SciShow
The Fibonacci Sequence: Nature's Code
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
Crash Course
Rethinking Civilization - Crash Course World History 201
In which John Green returns to teaching World History! This week, we'll be talking about the idea of civilization, some of the traditional hallmarks of so-called civilization, and why some people would choose to live outside the...
SciShow
Why Baby Talk Is Good for Babies
You may have heard that using baby talk is bad for children’s language development, but research seems to show the exact opposite.
TED Talks
TED: Why healthy soil matters now more than ever | Jane Zelikova
From nourishing our foods to storing massive amounts of carbon, soil is teeming with diverse microbial life that could slow global warming. Climate change scientist Jane Zelikova calls for agricultural practices that protect Earth's soil...
Bozeman Science
Kinetic and Potential Energy
In this video Paul Andersen explains how the energy in a closed system can be converted from kinetic to potential to kinetic energy. Sample problems and a simulation is contained.
3Blue1Brown
Winding numbers and domain coloring
An algorithm for solving continuous 2d equations using winding numbers.
Crash Course
Meiosis: Where the Sex Starts - Crash Course Biology
Hank gets down to the nitty gritty about meiosis, the special type of cell division that is necessary for sexual reproduction in eukaryotic organisms.
SciShow
The Great Lakes Tropical Storm of 1996
Tropical storms can be devastating but at least we usually know where they're going to appear. The exception being a very strange week in 1996, on Lake Huron.
Let's Tute
Real Numbers Introduction
In this video of Algebra, Real Numbers System and its Properties of Class 10 Mathematics is about Integers, Whole Numbers, Prime Numbers, composite Numbers, Rational Numbers, Irrational Numbers, etc.
Curated Video
What is the Fibonacci Sequence & the Golden Ratio? Simple Explanation and Examples in Everyday Life
The Fibonacci sequence is a series of numbers in which a given number is the addition of the two numbers before it. So, if you start with 0, the next number will be 1, followed by 1, followed by 2, followed by 3 and so on. As you can...
Brian McLogan
Subtracting two mixed numbers - Math Practice - Tutoring Online
👉 Learn how to add and subtract mixed numbers. Mixed numbers are numbers with two parts: the whole number part and the fraction part. Mixed numbers are ways to represent improper fractions using proper fractions. To add or subtract mixed...
Brian McLogan
Learn how to add two mixed numbers with unlike denominators
👉 Learn how to add and subtract mixed numbers. Mixed numbers are numbers with two parts: the whole number part and the fraction part. Mixed numbers are ways to represent improper fractions using proper fractions.To add or subtract mixed...
Curated Video
Greece, Mycenae ancient city
Mycenae, built between two hills, Profitis llias and Sara, dominates the Plain of Argos. According to myth, Mycenae was founded by Perseus, son of Zeus and Danae. In order to build the citadel, Perseus employed the Cyclopes, mythical...
Let's Tute
Origin History - Numbers
Lets know some interesting facts on the history and origin of numbers . Get answers to all the questions about numbers - History & origins of Numbers - Types of Numbers - Uses of Numbers
Brian McLogan
Pre-Calculus - Adding two complex numbers - Online Tutor (8+ root(-18)) + (5- root(-50))
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can only...
Brian McLogan
Pre-Calculus - Learn how to add complex numbers the right way (-2+ root(-8)) + (5- root(-50))
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can only...
Curated Video
IELTS Writing Task 1: Numbers You Must Put In Your Essay For a 7 or Higher
Today let's talk about IELTS Writing Task 1! On this part of the Writing test there are numbers that you MUST include in your essay if you want to get a 7 or higher. On Writing Task 1 you'll see a graph (pie chart, bar chart) and you...
Seven Dimensions
Three Key Ideas to Influence Others
In this video, the speaker emphasizes the importance of developing the ability to influence others in order to succeed in collaborative work environments. The video highlights that being persuasive is a learnable skill that can be honed...
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