Sodium nitrate is mainly used in fertilizers as a nitrogen source for plant growth. With the increasing need to feed an ever-increasing global population, demand for nitrogen-based fertilizers in ...

The cola and Mentos experiment, which later became an internet sensation, was first publicly demonstrated by Lee Marek and 'Marek's Kid Scientists' on the Late Show with David Letterman in 1999.

Nitric acid is used in a wide variety of chemical processes where cleaning, oxidising or etching is required, including making synthetic fibres, dying, electrical circuit board making, electroplating, ...

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Advice from an English teacher in Massachusetts for guiding teenagers to think critically but not cynically about the information they consume. By David Nurenberg This collection of interactive ...

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