In this video segment adapted from NOVA scienceNOW, scientists in western Greenland …
In this video segment adapted from NOVA scienceNOW, scientists in western Greenland explain how a glacier there is shrinking and moving faster due to increased melting.
This video segment from the teacher video series Learning That Works uses …
This video segment from the teacher video series Learning That Works uses a case study to highlight the effectiveness of a project-based, real-world approach to teaching science.
This video segment adapted from NOVA explains how the sprinkler revolutionized fire …
This video segment adapted from NOVA explains how the sprinkler revolutionized fire safety and also features developments in fire-safety design for high-rise buildings.
In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains …
In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains that vertebrates evolved fingers before they invaded land.
In this lesson designed to enhance literacy skills, students learn about the …
In this lesson designed to enhance literacy skills, students learn about the unique environment of southern Florida's Everglades and gain insights into the interrelatedness of living things, nonliving things, and climate.
In this adaptation of a video that high school students created in …
In this adaptation of a video that high school students created in collaboration with the Environmental Justice League of Rhode Island, learn what's whack about our current food systems and the many actions individuals can take to address these issues.
This video segment from NOVA: "The Killer's Trail" investigates the potential for …
This video segment from NOVA: "The Killer's Trail" investigates the potential for DNA evidence to solve murder cases, even those from the distant past.
This video segment adapted from NOVA shows how scientists use the fossil …
This video segment adapted from NOVA shows how scientists use the fossil record to trace when early human ancestors and related species began walking on two legs instead of four, and to determine whether they were more apelike or human in appearance.
This video segment, adapted from Need to Know, discusses how the process …
This video segment, adapted from Need to Know, discusses how the process of hydraulic fracturing (fracking) is used to extract natural gas and how the process may be polluting water resources with hazardous chemicals, leading to health concerns.
Fannie Lou Hamer was sterilized without her knowledge or consent in 1961. …
Fannie Lou Hamer was sterilized without her knowledge or consent in 1961. She would become a leader of the Mississippi Civil Rights movement. Learn more with this biography from American Experience: "Freedom Summer." This resource is part of the American Experience Collection.
In this interactive activity adapted from the University of Utah's ASPIRE Lab, …
In this interactive activity adapted from the University of Utah's ASPIRE Lab, investigate frequency in terms of trampoline jumps, pendulum swings, and electromagnetic waves.
Watching plants grow is like watching paint dry: It happens so slowly …
Watching plants grow is like watching paint dry: It happens so slowly that the changes are imperceptible from one moment to the next -- and yet the end results are dramatic. This video segment shows just how amazing plant development can be by depicting various phases of the process using time-lapse photography. Footage from NOVA: "The Shape of Things."
In this video excerpt from NOVA, find out how the discovery of …
In this video excerpt from NOVA, find out how the discovery of a gene defect has led to the development of a new drug to treat patients with cystic fibrosis.
This video segment describes the basics of the circulatory system: how the …
This video segment describes the basics of the circulatory system: how the heart pumps the blood that carries oxygen and nutrients throughout the body.
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