Pre-Algebra 8 – Multiplying Negative Numbers

Pre-Algebra 8 – Multiplying Negative Numbers

Hello. I’m Professor Von Schmohawk and welcome to Why U. In our lectures, so far we have discussed multiplying positive numbers. But what happens when

Read more

Algebra 52 – An Introduction to Matrices

Algebra 52 – An Introduction to Matrices

Hello. I’m Professor Von Schmohawk and welcome to Why U. In the last several lectures, we studied systems of two linear equations in two variables

Read more

Pre-Algebra 33 – Real Numbers

Pre-Algebra 33 – Real Numbers

Hello. I’m Professor Von Schmohawk and welcome to Why U. In the previous lecture we saw that although the Greeks originally thought that all numbers

Read more

Pre-Algebra 4 – Whole Numbers, Integers, and the Number Line

Pre-Algebra 4 – Whole Numbers, Integers, and the Number Line

Hello. I’m Professor Von Schmohawk and welcome to Why U. For tens of thousands of years, people invented different ways of counting things. Things such

Read more

Can We Perform Surgery in Space? – Science In The Extremes

Can We Perform Surgery in Space? – Science In The Extremes

What happens if an astronaut gets sick or injured in space? On the moon, you’re over three days away, or on Mars you could be

Read more

Is There Any Actual Science Behind Stem Cell Therapy?

Is There Any Actual Science Behind Stem Cell Therapy?

In 2017, three women went blind after paying a so-called ‘stem cell clinic’ in Florida thousands of dollars to treat their macular degeneration. Wait a

Read more

Are You Under 24? Science Says You Still Have the Brain of a Teen

Are You Under 24? Science Says You Still Have the Brain of a Teen

We define adolescence as the years between childhood and adulthood. The exact age might depend on the country — things like the age you can

Read more

Learn Polish – Polish in 3 Minutes – Numbers 1-10

Learn Polish – Polish in 3 Minutes – Numbers 1-10

chest history Jana hi I’m Johanna welcome to Polish pot 101.com spawn skip trimming of it the fastest easiest and most fun way to learn

Read more