DNA Extraction

This interactive activity adapted from the University of Nebraska's Plant and Soil Sciences eLibrary illustrates how DNA, which is normally locked inside of cells, is extracted from living tissue.

DNA Libraries

This interactive resource adapted from the Dolan DNA Learning Center explores the different types of DNA libraries used to store and access genetic information.

DNA on the Witness Stand

In this article, Dr. Eric Lander of the Human Genome Project comments on the use of DNA as an identification tool -- the theoretical versus the practical results.

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DNA Sequencing

This interactive activity adapted from the Dolan DNA Learning Center looks at two techniques used to sequence DNA: the Sanger method and an automated process based on the Sanger method.

Eduardo Torres-Jara

In this video from Science City, meet Eduardo Torres-Jara, a postdoctoral associate in electrical engineering and computer science at the MIT Artificial Intelligence Lab. He describes his work on innovative robots that use tactile feedback to locate and grasp objects.

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Dust-Proofing a Mars Rover

Enter the lab of NASA scientist Dr. Carlos Calle to see how systems are being developed to keep planetary rover solar panels dust-free, in this video from NASA EDGE.

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Electrophoresis and Gel Analysis

In this animation produced by WGBH and Digizyme, Inc., see how molecules of DNA are separated using gel electrophoresis, and how this process enables scientists to compare the molecular variations of two or more DNA samples.

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Eluting Red Fluorescent Protein From the Column

This video produced by WGBH demonstrates how to properly elute a red fluorescent protein after it has been bound in a chromatography column.

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Energy Audit Technology

Watch students as they conduct an energy audit on a home and gain hands-on experience for a career in the green energy industry, in this video adapted from ATETV.

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Engineering Biofuels

In this video segment adapted from KQED's QUEST, find out how synthetic biologists use the techniques of metabolic engineering and directed evolution to make more effective biofuels.

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Engineering for the Red Planet

In this video segment from NASA, robotics researcher Ayanna Howard uses engineering to improve the intelligence of robots in space exploration.

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Engineering Technology: Electronic Maintenance Engineer

See what an electronic maintenance engineer does to keep his factory running smoothly, in this video adapted from Pathways to Technology.

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Engineering Technology: Value Engineer

In this video adapted from Pathways to Technology, learn how one woman's community college education helped her transition to a career in laser technology, working on night-vision products.

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Jennifer Hannaford

In this video from Science City, meet Jennifer Hannaford, a forensic scientist. She describes the steps to recover and analyze fingerprints to help solve crimes. She also discusses common attributes between art and science.

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Environmental Justice: Opposing a Toxic Waste Incinerator

In this video segment adapted from Earthkeeping: "Toxic Racism," learn how farm workers and farm owners formed a rare alliance in an effort to block the use of an incinerator in their Latino community by suing a major corporation for environmental discrimination.

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Epigenetics

In this video segment adapted from NOVA scienceNOW, learn how what you eat, drink, or smoke may affect the instructions your epigenomes send to your genes, and as a result, change how your DNA is expressed.

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Ethanol Biofuel

In this video segment adapted from NOVA, learn about one scientist's idea for using biotechnology to make ethanol a more efficient alternative to gasoline.

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Field Service Engineer

Meet a field service engineer and hear about his work, education, and internship experiences, in this video adapted from ATETV.

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Fire Safety in High Rises

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.

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Firth of Forth Cantilever Bridge

This video segment from Building Big: "Bridges" demonstrates the basic design of a cantilever bridge by looking at Scotland's Firth of Forth Railway Bridge.

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Forensic DNA Analysis

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.

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Fracking

In this video segment adapted from Need to Know, learn about the controversial method of extracting natural gas known as hydraulic fracturing, or fracking, and how some residents who live near drill sites are concerned that it's polluting their water.

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Franklin Chang-Díaz: Rocket Scientist

This video segment adapted from NOVA scienceNOW profiles Franklin Chang-Díaz, a scientist who is working on plasma-powered rockets and was NASA's first Latin American astronaut.

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Fusion Energy Advances

In this report from the NewsHour, correspondent Spencer Michels reports on ongoing efforts to produce fusion energy to help fuel American energy independence.

Gene Cloning

This interactive activity adapted from the University of Nebraska's Library of Crop Technologies details the steps involved in producing clones of genes that can then be used to transform the characteristics of an organism.

Generating Electrical Voltage

This interactive resource adapted from the Wisconsin Online Resource Center illustrates how electrical voltage is generated through a process called magnetic induction and describes some of the factors that affect the magnitude of the voltage produced.

Generation of Alternating Current

This interactive resource adapted from the Wisconsin Online Resource Center illustrates the parts of an electrical generator and shows how they function to produce alternating current.

Genetically Engineering the Avian Flu

In this video segment adapted from NOVA scienceNOW, learn about a radical biotechnology experiment aimed at figuring out how to stop the avian flu virus.

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Genetic Engineering and Working with DNA

In this animation produced by WGBH and Digizyme, Inc., see how bacterial plasmids are engineered to clone or express genes that code for proteins such as human insulin.

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Geothermal Power

This video segment from Vegas PBS shows the important role geothermal energy systems can play in making a more energy-efficient and greener building.

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Germany Phases Out Nuclear Power

This video excerpt from FRONTLINE: "Nuclear Aftershocks" explores the debate behind Germany's decision to phase out its nuclear energy program and revert back to coal as “the bridge” that will eventually allow greater reliance on renewable energy.

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Geospatial Revolution: GIS to Monitor the Environment

In this video from Episode 3 of Penn State Public Broadcasting’s Geospatial Revolution, GIS professionals and U.S. military commanders discuss the ways in which they are employing geospatial technologies on the battlefield to improve vigilance and security against attacks by insurgents.

Global Warming: The Hydrogen Car

Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology.

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GPS/GIS Technology: Training & Careers

Learn how GPS/GIS technology is revolutionizing professions, from farming to emergency management, and see how studying GPS/GIS gives students valuable workforce skills, in this video adapted from Pathways to Technology.

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GPS: Where in the World Are You?

This interactive activity produced for Teachers' Domain illustrates the concepts and technologies that enable the Global Positioning System (GPS) to identify a person's location within a range of a few meters.

Grass Bridge

In this video segment adapted from NOVA, watch residents of the Peruvian Andes build a suspension bridge made entirely of grass.

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Green Chemistry

This audio segment from PRI's The World Science Podcast explores the science of Green Chemistry. Hear about companies that are developing greener chemicals, and learn why they are fast becoming an attractive alternative for the multi-billion dollar chemical industry.

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Green Technology: Sustaining the Earth

This interactive activity produced for Teachers' Domain explores areas of research and innovation in green technology.

Shaundra Bryant Daily

In this video from Science City, Shaundra Bryant Daily, an electrical engineer, describes a software program she developed to help girls reflect on their emotions, and how her two passions—science and dance—are connected.

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High-Tech Agriculture

In this video adapted from ATETV, hear how Kirkwood Community College students are learning to apply new technologies like GPS and GIS to the agricultural industry.

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Hoover Dam

This video segment from Building Big: "Dams," demonstrates the basic principals at work in the Hoover Dam, a concrete gravity dam that also makes use of the properties of the arch.

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Human Genome Project

This video segment from NOVA: "Cracking the Code of Life" looks at the meaning and significance of the effort to decode the human genome.

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The Impact of Technology: Cars

This video segment adapted from A Science Odyssey looks at the invention of the automobile and the development of mass production.

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The Impact of Technology: Nylon

This video segment adapted from A Science Odyssey looks at the invention of nylon.

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The Index of Refraction and Snell’s Law

Learn about the index of refraction and Snell's law in this video from the ICT Center.

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Inflatable Moon Habitat

Visit an inflatable habitat designed for astronauts to live in on the Moon in this video adapted from NASA 360.

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Information Technology: Computer Systems Engineer

Watch how a community college education took one person from being a computer know-nothing to having a career as a successful information technologist, in this video adapted from Pathways to Technology.

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Information Technology Student: Technical & Network Support

In this video adapted from Pathways to Technology, a community college student discovers how his information technology (IT) skills can be applied in the working world.

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Information Technology Student: Computer Programming & Support

Learn how taking her first online course led one woman to study computer programming, in this video adapted from Pathways to Technology.

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Information Technology: Training & Careers

Explore the range of job opportunities you can pursue with an information technology (IT) degree, in this video excerpted from Pathways to Technology.

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