Paul Krugman Teacher Resources

As the rates of skin cancer rise to become the most common type of cancer in the United States, scientists directly relate sunscreen usage to skin cancer prevention. Doctors research exactly how ultraviolet light changes cells. Viewers...

The sky appears blue, but why? Humans see the world through the visible light spectrum, but the light spectrum is much larger than what the eye sees. Camera lenses allow people to view the world in ultraviolet, and the changes might...

Earth's magnetic field protects people from solar wind, radiation, and many other potentially catastrophic events. For reasons not yet understood, the magnetic field appears measurably weaker over the course of less than 200 years, a...

Neutrons have approximately the same mass as a proton, but contain no charge. Something so seemingly insignificant changed the world thanks to nuclear weapons, nuclear energy, and nuclear radiation. Viewers learn more about the invention...

CPT theory is the basis for much of physics, but what happens when researchers disprove the theory piece by piece? Explore the idea with a video about the Nobel Prize-winning breakthroughs that shifted the entire way scientists...

New ReviewScientists have been studying the surface of Mars for many years ... it's time to know a little something about its interior, too. The Mars Insight launched in November 2018 on a mission to study the happenings inside the most studied...

New ReviewPrecision is imperative in science! Learn how science defines units of measure and how that changed for several units in 2018. A video lesson describes the history behind the definition of the kilogram, and the narrator then explains why...

This is a solid introduction to the European Union and the debt crisis of the late 2000s through 2012. Class members watch a PowerPoint, take notes, read passages, answer questions, and work in groups to write a fable that illustrates a...