PBS
Cnidarians: Anemones Fight
Sea anemones grow to up to six feet in diameter. Viewers observe an intense battle between two of these predatory species. With battles lasting hours, or even days, the slow motion aggression surprises many viewers.
PBS
Black Hole Apocalypse | Stellar Life Cycles
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...
PBS
Black Hole Apocalypse | How to Detect Gravitational Waves
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...
PBS
The Transit Method of Detecting Exoplanets
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
Solar System Formation
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,...
PBS
Mercury and Venus Transits
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...
PBS
Kepler’s Laws of Planetary Motion Described Using Earth Satellites
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...
PBS
Eclipse Over America | Coronal Mass Ejections from the Sun
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...
PBS
Molluscs: Nautilus Regulates Its Buoyancy
Scientists discovered the key to nautilus buoyancy when they X-rayed the shell of living mollusks. An educational video shares these X-rays and explains how the process works. It connects evolutionary changes, a unique circulatory...
PBS
Cnidarians: Anemone Swims Away from Sea Star
While most sea anemones move slowly along rocks, Stomphia swim to escape predators. Viewers see a sea star sneak up on an anemone ready to attack. The unsuspecting anemone retaliates quickly and swims away awkwardly as part of a larger...
PBS
Black Hole Apocalypse | Observing the Center of the Milky Way
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....
PBS
Black Hole Apocalypse | Gravity and Spacetime
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...
PBS
The Origami Revolution | Cosmic Folding
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.
PBS
How Does the Kepler Telescope Work?
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...
PBS
Eclipse Over America | The Coronal Heating ProblemData Plots of Exoplanet Orbital Properties
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.
Deep Look
Praying Mantis Love is Waaay Weirder Than You Think
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...
Howard Hughes Medical Institute
Dengue Virus Enters a Cell
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....
Howard Hughes Medical Institute
Regulation of Eukaryotic DNA Transcription
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...
Howard Hughes Medical Institute
Dengue Fever Re-Emergence in the Americas
The number of diagnosed cases of Dengue Fever increased exponentially over the course of three decades. A brief video explains how the potentially deadly virus spreads. For added impact, scholars view the number of cases in each country...
Howard Hughes Medical Institute
Dengue Virus Life Cycle
Dengue Virus leads to the deaths of around 25,000 people, mostly children, every year. Scientists understand how the virus gets into cells and replicates, but they still struggle to prevent it. Curious scholars view an animation of the...
Howard Hughes Medical Institute
Lightning-Strike Cabal Acts like a Taser
Observe how the toxin snails release acts in the nervous system of fish. After the explanation, pupils better understand the consequences for both the fish and the snail thanks to the predatory adaptation.
Deep Look
A Baby Dragonfly's Mouth Will Give You Nightmares
Dragonflies have existed for more than 320 million years and used to have a wingspan of more than two feet. An informative video helps viewers understand the adaptations of this insect to survive longer than the dinosaurs, and their...
Deep Look
It’s a Goopy Mess When Pines and Beetles Duke it Out
A few tiny western pine beetles bring down giant ponderosa pine trees every year. Learn about the battle between the pines and beetles and how each attempts to control the other. A 4-D video of the process comprises part of a larger...
Deep Look
These Whispering, Walking Bats Are Onto Something
Over millions of years, bats developed flight and echolocation, so why are some bats now walking to look for food? An interesting video explains the changes in predator and prey relationships due to adaptation. Which adaptation is the...