Collapse of Sharks

This video segment from Nature shows the destructiveness of the shark fin and shark cartilage industries.

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Collecting Data Below the Earth's Surface

This video segment adapted from Discovering Women demonstrates how scientists use sound waves to collect data about the structure of Earth's crust.

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Colliding Neutron Stars Create Black Hole and Gamma-ray Burst

This video from NASA describes the detailed computer modeling used to predict that colliding neutron stars can produce gamma-ray bursts similar to those associated with black holes.

Columns: Experimenting with Paper Cups

In this video segment from ZOOM, the cast experiments to see if a bunch of paper cups covered by a piece of cardboard can support the weight of a cast member.

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Columns: Hillary's Neighborhood

In this video segment from ZOOM, Hillary, from Randolph, MA, takes us on a tour of the columns in her neighborhood.

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Comets Bombard the Early Earth

Visualize how comets carrying chemicals necessary for life could have made their way to Earth billions of years ago in this video segment adapted from NOVA.

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Comets Deliver Amino Acids to Earth

Amino acids, essential ingredients for life, may have been delivered to Earth by comets billions of years ago, as visualized in this video segment adapted from NOVA.

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The Common Genetic Code

Paul Nurse describes his research that showed that humans share some genes with organisms as different from us as simple brewer's yeast. Footage from Secret of Life: "Immortal Thread."

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Composite Materials for Space

Discover why engineers use composite materials to build spacecraft prototypes in this video segment adapted from NASA 360.

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Computer Game and Simulation Technology

Find out more about the cutting-edge field of simulation and computer game development in this video adapted from ATETV.

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Conical Pendulum

A pendulum that swings in a horizontal circle and sweeps out the shape of a cone with its mass and string is known as a “conical pendulum.” In this animation we see the pendulum sweep from several angles with a superimposed equation toward the end.

Conserving a Unique Ecosystem in Micronesia

Learn about the steps that the people of Kosrae, Micronesia, are taking to protect their natural resources, in this video adapted from the Micronesia Conservation Trust.

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Contaminants in the Arctic Food Chain

The levels of contaminants found in particular animals vary widely depending on where they fit into the Arctic food chain, as described in this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme.

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Contaminants in the Arctic Human Population

In this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme, learn how human populations in the Arctic are affected by industrial contaminants in the food chain.

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Contaminating the Rockies

Learn how abandoned mines have been contaminating water supplies in the Rocky Mountains for decades in this video segment adapted from NOVA: "Poison in the Rockies."

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Convective Cloud Systems

This video segment adapted from the Atmospheric Radiation Program explains the differences in the formation of tropical convective cloud systems over islands and over the ocean.

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Converting to Biodiesel

Meet a college student whose class project to turn cooking grease into diesel fuel resulted in converting bus fleets to biodiesel, in this video from Earth Island Institute's New Leaders Initiative.

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Cooking Cookies with Solar Power

In this video segment adapted from ZOOM, two solar cookers are tested against a control to see which can cook a "s'more" faster.

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Cooperation Over Competition

In this video from The Human Spark, scientists discuss what may be the uniquely “human spark” which separates us from animals: our ability to communicate, cooperate, and collaborate with others.

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Coral Kid

In this video segment, ZOOM guest Cassie takes us on a tour of the coral reef near her home in Key Largo, Florida, and points out some of its unique features.

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