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.
Getty Images
Selinunte, general view of temple E, temple of Hera, from the 5th century B.C.
Selinunte, general view of temple E, temple of Hera, from the 5th century B.C.
Getty Images
Selinunte, view of the metopes and frieze of temple E, temple of Hera, from the 5th century B.C.
Selinunte, view of the metopes and frieze of temple E, temple of Hera, from the 5th century B.C.
Getty Images
'Love Stinks' Premiere
BC at the 'Love Stinks' Premiere at the Mann Village Theatre in Westwood, California on August 11, 1999. (Footage by WireImage Video/Getty Images)
Getty Images
BC Jean at the Pre-GRAMMY Gala & Salute To Industry Icons With Clive Davis Honoring David Geffen at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
BC Jean at the Pre-GRAMMY Gala & Salute To Industry Icons With Clive Davis Honoring David Geffen at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
Getty Images
Catherine Brewton, Dallas Austin, BC Jean at the BMI's 'How I Wrote That Song' Panel at West Hollywood CA. (Footage by WireImage Video/GettyImages)
Catherine Brewton, Dallas Austin, BC Jean at the BMI's 'How I Wrote That Song' Panel at West Hollywood CA. (Footage by WireImage Video/GettyImages)
Getty Images
BC Jean, Claude Kelly at the BMI's 'How I Wrote That Song' Panel at West Hollywood CA. (Footage by WireImage Video/GettyImages)
BC Jean, Claude Kelly at the BMI's 'How I Wrote That Song' Panel at West Hollywood CA. (Footage by WireImage Video/GettyImages)
Getty Images
Cee Lo Green, Dallas Austin, Chad Hugo, Catherine Brewton, Seal, Claude Kelly, BC Jean, Bonnie McKee at the BMI's 'How I Wrote That Song' Panel at West Hollywood CA. (Footage by WireImage Video/GettyImages)
Cee Lo Green, Dallas Austin, Chad Hugo, Catherine Brewton, Seal, Claude Kelly, BC Jean, Bonnie McKee at the BMI's 'How I Wrote That Song' Panel at West Hollywood CA. (Footage by WireImage Video/GettyImages)
Getty Images
BC Jean at the 59th Annual BMI Pop Awards at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
BC Jean at the 59th Annual BMI Pop Awards at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
Getty Images
BC Jean at the 59th Annual BMI Pop Awards at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
BC Jean at the 59th Annual BMI Pop Awards at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
Getty Images
BC Jean at the 59th Annual BMI Pop Awards at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
BC Jean at the 59th Annual BMI Pop Awards at Beverly Hills CA. (Footage by WireImage Video/GettyImages)
Getty Images
WS PAN Immense wall and terrain surrounding in old city / Jerualem, Israel
WS PAN Immense wall and terrain surrounding in old city / Jerualem, Israel