Cisco
Episode 1.5: The Business Plan
Will the Global Problem Solvers be able to upgrade Malawi's outdated water wells? The fifth of seven episodes finds the team struggling with a technology upgrade. Scholars observe the power of perseverance and an entrepreneurial spirit...
Cisco
Episode 1.3: The Solution
How can the people of Malawi get the fresh drinking water they need? The third episode in a seven-part series shows the Global Problem Solvers as they put their heads together and use technology to upgrade the country's system of wells....
Cisco
Episode 1.2: The Problem
Where have all the schoolgirls in Malawi gone? Teen leaders solve a mystery and investigate a problem in episode two in the seven-part first series of Global Problem Solvers. After finding the missing girls at a far-away well, the group...
Cisco
Episode 1.1: The Team
Meet the dream team! Introduce the class to a group of master problem-solvers in the first part of a seven-episode Global Problem Solvers series. The video kicks off season one by introducing the team's leader, meeting each cast member,...
Howard Hughes Medical Institute
Natural Selection of Lactose Tolerance
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...
PBS
Ultimate Animal
How do we define the ultimate animal? Is it brain power, athleticism, population size, longest surviving, or something entirely different? Observe many animals at the top of the evolutionary ladder, or more accurately, ladders with a...
PBS
Bilateral Body Plan
Most animals follow a bilateral body plan. The Shape of Life series presents a short video on why this body plan survived across so many different species. The narrator explains the benefits of symmetry, stereo senses, and more....
PBS
Cristina Diaz, Taxonomist: Sponge Biology
Scientists know of almost 10,000 different species of sponges. Listen to a passionate female scientists describe her work as a taxonomist for sponges. She demonstrates an experiment in the ocean off Indonesia and shares her passion for...
PBS
Mollusc Animation: Shell Repair
It often feels like homes need constant work and repairs. Mollusks might feel the same way since they continually repair their shells. A video presents an explanation of how mollusks can survive even a deep crack. Viewers observe the...
PBS
Mollusc Animation: Abalone
Three simple yet functional body parts define mollusks. The Shape of Life series presents an animation of the body plan of a specific mollusk, the abalone. Viewers see the inner workings of the foot, radula, and mantle. They understand...
PBS
Arthropod Animation: Millipede Breathing Tubes
Millipedes breathe through a series of tubes underneath their bodies. A short animation demonstrates the placement and function of these breathing tubes. Scholars build off this knowledge as they learn more about evolution, adaptation,...
PBS
Annelid Animation: Body Plan
Annelids evolved with powerful muscles to dig deep into the ground. Scholars observe the body segments, muscle pattern, unique gut, and the whole body circulatory and nervous systems. Highly detailed animation provides a view of the...
PBS
Nematocyst Animation: Fighting Tentacles
Most species defend their territories, but few use the methods of sea anemones. View a slow motion battle between two enemy anemones fighting for their place on a rock. Scholars apply their knowledge of evolution to consider the intense...
PBS
Cnidarian Animation: Polyp and Medusa
A pencil turned upside down is still a pencil, but a sea anemone turned upside down transforms into a jellyfish. Viewers observe the evolutionary transformation of these cnidarians as they diverged into two distinct body shapes, the...
PBS
Cnidarians: Anemone Catches Goby
Anemones contain harpoon-like structures in their tentacles to attack prey. A video shares an up-close look at an anemone eating a goby. It highlights the attack, capture, and demise of the prey through a system evolved over the course...
PBS
Sponges: Time-lapse of Sponge Cells Recombining
When broken down to a cellular level, sponges reassemble themselves. As the only known plant or animal with this behavior, scientists enjoy watching the process. Scholars view the rebuilding to gain a better understanding of sponges in...
PBS
Sponges: Filter Feeding Made Visible
Sponges must eat to live, yet they don't have mouths. A video series shares how sponges survive using filter feeding rather than traditional eating. It demonstrates how sponges filter water through their entire bodies to extract...
PBS
Molluscs: Octopus Camouflage
A large brain helps the octopus change both color and texture as a form of defense. A video series details the unique features of the mollusks as quick-change artists. It describes the cellular changes and chemical reactions controlling...
PBS
Flatworms: The First Hunter
Flatworms evolved and developed the first bilateral body plan. These hermaphroditic animals with no circulatory system star in an informative video. Scholars learn about flatworms' place in the evolutionary tree, how they hunted, and...
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 | Modeling Galaxies
Once, scientists believed black holes to be rare, but modern technology is proving otherwise. Using data from the Hubble telescope, scientists create computer models of distant galaxies. They discover super massive black holes in the...
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...
Corbett Maths
Graphs: Parallel lines
Parallel lines must always have the same slope. Learners use this bit of information to extend their equation writing skills. A video lesson explains how to write the equation of a line parallel to a given line and through a given point....