Back in 1492, when Columbus sailed the ocean blue, he discovered more than a new world! Part 16 in an ongoing History of Science series explores the Columbian Exchange and other major events in the Spanish colonial period. Viewers learn...

Different regions of the world have greatly varying rates of lactose tolerance. Learn why this mutation spreads in some populations and not others with an educational video. Viewers consider the relationship with natural selection in...

How do bodies fight infections and illnesses? An animation of the way T cells clone to fight an infection provides many details. The resource also provides an excellent written introduction and ideas for how to ensure pupils understand...

Gene mutation occurs at a rate much higher than many realize. Doctors treating cancer and other illnesses must learn to adapt quickly after each mutation. Viewers observe an animation and watch lecture with props to see what happens when...

All stars start with the fusion of hydrogen, but their life cycles vary greatly. The PBS 9-12 Space series introduces star life cycles and explains why they vary so much. Clear animations illustrate the pressure, fusion, collapsing, and...

The prediction of gravitational waves rocked the scientific world, but it was many years before researchers tested the theory. See how Rainer Weiss applied his knowledge of sound waves to solve this impressive physics problem in an...

Scientists use transit photometry, or the transit method, to search for exoplanets. A series of three videos demonstrating the transit method allows viewers to observe a planet transiting a star from two different perspectives to...

PBS 9-12 Space introduces what scientists currently know about Bennu, an asteroid that likely existed before our sun. NASA expects to land on Bennu in late 2018, and the excitement building up to this landing comes through in a video,...

Mercury transits, crosses over the disk of the sun, approximately 13 times per century, while Venus transits 14 times per thousand years. View these extremely rare forms of eclipses in accelerated time as part of a series from PBS 9-12...

Young scholars examine the orbits of the more than 1,400 satellites that orbit Earth and visualize the application of Kepler's laws. They observe patterns of orbital periods and velocity as a function of distance from Earth to facilitate...

The sun's corona, rarely seen from Earth, takes up massive amounts of space many times the size of our planet. Viewers discuss and view how scientists study the corona of the sun. They observe the impact of coronal mass ejections on...

Chemistry was a bit of a late bloomer in terms of scientific progress! Discover the Age of Enlightenment and its effects on how researchers viewed matter with an engaging video. The narrator highlights the work of Antoine Lavoisier and...

Scientists know about a super massive black hole, more than four million times the mass of the sun, at the center of the galaxy. As one part of a video series, astronomers explain this discovery and the many tools used to confirm it....

Astronauts on the ISS continuously fall in a curve thanks to gravity. A video describes the idea of falling along a curved path. Using computer animations, an apple demonstrates the warping of spacetime while the narrator explains the...

Learn about these folds and twists in the universe through an origami model. Observe the model mathematically and view how it proves dark matter before creating your own origami and discussing the distribution of matter in the universe.

In March 2009, NASA launched the Kepler Space Telescope to look for exoplanets. Almost immediately, it identified planets and has continued to work for many years. An informative video introduces this telescope, how it works, and shares...

The sun's corona is hundreds of times hotter than the surface, but how? Scholars discuss the data and debate possible explanations for solar flares. Then, they view a video offering the current scientific theory behind this phenomenon.

To write the equation of a linear graph, all you need is the slope and the y-intercept. Individuals view instruction on finding the slope and y-intercept from the graph of a line, which leads to writing an equation in slope-intercept...

Graphing horizontal and vertical lines often cause problems for learners. Provide a lesson with video instruction for them to watch and rewatch as they learn the concept. The instructor shows multiple examples of graphing linear...

Help mathematicians see lines from equations as they learn the patterns in the equations. An instructional video describes the steps to graphing a linear function. All equations begin in slope-intercept form and result in a line with...

How does media ownership affect what we read, watch, and listen to—and how much we pay for it? Part of an extensive media literacy series, the video takes viewers back to the beginning of it all. From the birth of the telephone to...

Some praying mantises find themselves decapitated and yet still find a way to actively mate. Learn more about these savage insects and why they behave this way. Viewers observe high detail, graphic videos of various mating scenarios...

Doctors offer limited treatment options and no vaccine for Dengue Virus, which often requires intensive care. Scientists understand how the virus gets into cells and replicates, knowledge which they hope will lead to a cure or treatment....

DNA transcription finds regulation in a few different forms. Pupils learn about the activators, repressors, and the relationships with RNA through a short animation. After viewing the process with colors highlighting each step for...