Crop physiologist Guntur V. Subbarao and his team have developed an antibiotic-infused strain of wheat that naturally combats harmful, fertilizer-eating bacteria -- a "monster" contributor to climate change. Learn more about how this...

Here's something to think about the next time you clean your windshield.

The IARC has categorized processed meat as a definite carcinogen. But how dangerous is it really? Do we finally have to give up bacon?

Explore the cycling of carbon among carbon reservoirs! Then discover the importance of nitrogen, essential for amino acids and nucleotides, and learn about the nitrogen cycle! Expand details for table of contents. Table of Contents:...

Howcast - Learn why it's dangerous to use erectile dysfunction medication within 24 hours of taking nitrates in this Howcast video.

Howcast -Learn if you should avoid certain vegetables when making baby food because of their nitrates in this Howcast video featuring Petit Organics founder Michelle Muller-Marinis.

The process by which nitrate compounds in the soil are converted to free nitrogen in the atmosphere.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health. Biology - Plants - Learning Points. Understanding how plants grow ensures we...

Nitrogen is integral to the production of protein and DNA. Discover how it is present on Earth in a constant cycle, and how nitrogen from the air enters the food chain. Biology - Ecosystems - Learning Points. The nitrogen cycle describes...

Find out how remarkable adaptations allow the spinifex plant to thrive in the desert. Biology - Plants - Learning Points. Root hairs are specially adapted to suit their role. Root hairs increase the surface area of the roots for...

Potassium nitrate is a natural substance found in your food, or in an exploding firework. What makes it so versatile? Chemistry - Chemical Industries - Learning Points. Potassium nitrate preserves our food and is a component of...

This video is explaining how nitrogen cycle works for kids.

This video covers:

- How plants get diseases, e.g. from microorganisms, larger organisms, and mineral deficien
cies
- How to diagnose plant
diseases
- How plants defend themselves a

gainst diseases


Exam...

Learn the basics about testing for negative ions. Which methods and techniques are used to test negative ions? Find out more in this video!

The video is a lecture presentation about the nitrogen cycle and how the essential element is continuously recycled in nature. The speaker first explains the concept of cycles in general and why they are necessary due to the finite...

Learn the basics about testing for negative ions. Which methods and techniques are used to test negative ions? Find out more in this video!

USDA's Natural Resources Conservation Service in Delaware and its partners are helping farmers take care of their soil and the environment. Jacob Urian of the Kent Conservation District demonstrates how to conduct a Pre-Side Dressing...

Nitrogen makes up 78% of the air, however neither plants nor animals can take nitrogen directly from the air because nitrogen is so unreactive. The nitrogen cycles shows the movement of nitrogen through the environment. Nitrogen is...

It describes oxides of nitrogen and explains the preparation & properties of nitric.

It explains the sources of water pollution, its effects and the ways to prevent and control water pollution.

Nitrogen makes up 78% of the air, however neither plants nor animals can take nitrogen directly from the air because nitrogen is so unreactive. The nitrogen cycles shows the movement of nitrogen through the environment. Nitrogen is...

In this video, a teacher and her student demonstrate how to test for nitrates and phosphates in water, which are major contributors to dead zones in waterways. They use equipment from Phosco to measure the levels of these nutrients in...

Aquaponics is a sustainable and highly efficient system that combines aquaculture (fish farming) with hydroponics (growing plants without soil). By utilizing the waste produced by fish to provide nutrients for plants, aquaponics requires...

This live-action video program is about the term nitrogen cycle. The program is designed to reinforce and support a student's comprehension and retention of the term nitrogen cycle through use of video footage, photographs, diagrams and...