Hi, what do you want to do?
SciShow
The Catastrophic Flood That Triggered an Ice Age | ft. PBS Eons
Did you know that a massive ancient flood triggered a thousand year ice age? 13,000 years ago, North America seemed to be thawing from a 2.6 million-year ice age. Then, a huge swath of Earth was suddenly plunged back into the cold for...
SciShow
These Migrating Birds Fuel Up by Eating…Mud?
A marathoner needs a lot of energy to make their long distance treks, and this is no different for migratory birds. But how are these marathon flyers getting that energy from the mud they’re slurping off of beaches along the way?
SciShow
These Migrating Birds Fuel Up by Eating…Mud?
A marathoner needs a lot of energy to make their long distance treks, and this is no different for migratory birds. But how are these marathon flyers getting that energy from the mud they’re slurping off of beaches along the way?
Curated Video
History of Vancouver, BC | 7,000 BCE to Present
History of Vancouver, BC | 7,000 BCE to Present
Brian McLogan
Rationalizing the radical to evaluate the limit
👉 Learn how to evaluate the limit of a function by rationalizing the radical. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The limit...
Brian McLogan
Learn how to take the fourth derivative of a polynomial
👉 Learn how to find the higher derivative of a function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a function...
Brian McLogan
Use the definition of a derivative to evaluate the limit
👉 Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The limit of the difference quotient gives the...
Brian McLogan
How to use the definition of a derivative to evaluate the limit
👉 Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The limit of the difference quotient gives the...
Brian McLogan
Solving a falling ladder problem using related rates
👉 Learn how to take the derivative of a function. Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the...
60 Second Histories
What is BC and AD?
An explanation of BC and AD as well as BCE and CE and the reasons they are used.
Khan Academy
Khan Academy: Humanity on Earth: Understanding Calendar Notation
A video lecture helping you learn the difference between BC, BCE, AD and CE. The video also discusses a little bit about the birth of Jesus as well in regards to calendar notation. [9:41]
Khan Academy
Khan Academy: Understanding Calendar Notation
This video explains the difference between BC, BCE, AD, and CE and a little bit about the birth of Jesus as well. [9:40]