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Learn about Winter Squash Varieties
Much of the fresh produce we enjoy is very perishable. Raspberries and figs will only last several days without refrigeration, while potatoes and winter squash can literally last for months. Run time 01:47.
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Protecting the Future of Food One Seed at a Time
The varieties of wheat, corn and rice we grow today may not thrive in a future threatened by climate change. Cary Fowler takes us inside a vast global seed bank, buried within a frozen mountain in Norway, that stores a diverse group of food-crop for whatever tomorrow may bring. Run time 17:06.
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When Science and Farming Combine
An interesting “day in the life” of a dairy farm family that uses technology to make its operation more efficient and productive. This family has farming down to a science.
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Bt Corn
Scientists are now able to insert the genes of Bacillus thuringiensis, or Bt, into farmers' crops in order to prevent a hostile takeover by pests. But what happens when the pests become resistant? Learn about the "refuge" system and how researchers are manipulating selective pressures in order to try and slow the development of Bt-resistant pests. Run time 05:33.
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Factory Farming and Organic Alternatives
Modern farming has helped feed the world, but along the way, the land has suffered, according to this video adapted from the series Race to Save the Planet. When farmers grow too much too fast, topsoil is depleted. Farmers can work around this problem with fertilizers, irrigation, and pesticides, but these create new problems. Pesticides can harm wildlife, linger on fruits and vegetables, or wash into water supplies. Farmers are now finding new approaches to raising food, like diversifying crops
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A Rain Garden: Urban Solutions to Water Pollution
In this KET video segment from Louisville Life, learn how a rain garden in an urban community helps prevent storm water runoff from contaminating an urban watershed. Students describe how building a rain garden helps improve their community, prevents storm water runoff, and provides a personal sense of accomplishment and pride.  Closed captioning included.  Run time 02:18.
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Ohio Valley Natural Fibers
Located in Sardinia, it's the largest full-scale woolen mill in Ohio and
possibly the entire country. Its custom processed fleece is used for
quilts, batting, knitting and much more.

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Organic Farming: Conserving Top Soil
Fueled by economic pressure to maximize crop yields and government incentives to produce only one type of crop, contemporary American farmers have been facing a crisis reminiscent of one that hit the Great Plains in the 1930s. In this video segment adapted from Interactive NOVA, learn why more and more farmers are opting for sustainable, organic farming practices to help preserve the valuable topsoil that they rely on for their livelihoods and society relies on for a continuing supply of grains
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How's that Spelt?
Spelt has been grown in Europe since the Bronze Age, but it has never
been a well-known grain. However, that's beginning to change. Marilou
Suszko tells viewers why spelt is something you should try.

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What are Fast Plants?
Paul Williams, professor of plant pathology and plant genetics at the University of Wisconsin, gives an in depth explanation of what "fast plants" are and why they may be important to plant breeders. Run time 08:04.
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Kids Growing America
Metro High School in Columbus designed a project where its students grew crops to sell at a student-run farmers market. Our Ohio covers the story from planting to harvest.
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Ocean Tides
Tides are the rise and fall of the ocean's surface. Learn more about ocean tides in this educational video from dizzo95. The video briefly explains the causes of the tides, types of tides, and how often a tide occurs. More videos about tides can be found under the category and subcategories of Astronomy/Solar System/Earth's Moon/ Moon and Earth's Tides.  Run time 0:55.
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Curious George Helps Teach about Tides
The students build a sand castle and then take a walk.  When they return, the castle has been washed away by high tide.  The children also discover animals under the rocks during low tide... animals that would otherwise be covered up by the water.  Run time 01:30.
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Changing Tides Time Lapse
The video uses time lapse photography to speed up the process of high tide coming in at the beach.  There is no narration or music, only the sound of the water and waves.  Run time 03:17.
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Predicting Harmful Algal Blooms & Red Tides
This video explains algal blooms (also known as red tides) and how they are being observed so that the cause of red tides can be discovered. Run time 01:29.

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Aztec Encounter with the Spaniards
This video describes how cultures clash when the Spaniards first encounter the Aztecs. Good narration along with animated sketches that appear like chalk drawings on a blackboard. Run time 01:28.
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Does Religious Belief Need Justification?
Prof. Roger Trigg : Course
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The History of Aviation - Part 4/7
The History of Aviation - Part 4/7 - This nineteen-second WatchMojo video focuses on the first trans-Pacific solo flight in a balloon. NOTE: Segment 5 was not included on WatchKNow because it was only 11 seconds long.
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U.S. Railroad History Map 1830 - 1990s
Learn about U.S. Railroad History Map 1830 - 1990s - Did you know that early railroads used horse-drawn carriages? (02:40)
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Self Study English for Dutch Students
This is a course for Dutch (Bachelor) students who need or want to pay some extra attention to their English language skills. In this course you will find four modules with theory and exercises on Listening, Grammar, Vocabulary and Writing. We will also give you links to useful websites. We strongly recommend that you do not try to do this course in as short a time as possible: learning skills takes time, so you will benefit optimally from the course if you spend weeks, rather than days on it.
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