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Our Most Abundant Fossil Fuel

Coal is our most abundant fossil fuel. The US has more coal than the rest of the world has oil. There is still enough coal underground in this country to provide energy for the next 200 to 300 years. But coal is not a perfect fuel. Trapped inside coal are traces of impurities like sulfur and nitrogen. When coal burns, these impurities are released ...

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OurMostAbundantFossilFuel
Chemistry

Nitrogen Gas and Compounds

Nitrogen is a very interesting element. It is the seventh element of the periodic table, with seven electrons in its atoms. The somewhat unique combination of electronic structure and small atomic ... Continue reading

NitrogenGasandCompounds
Biology

Vibrational Energy

Why is hearing such a rich and powerful sense? Maybe because it alone of all the senses has the power to fill our entire body with vibrational energy. We sometimes think of hearing as one of the ... Continue reading

VibrationalEnergy
Biology

Brain Waves

Your brainwaves normally vary from a low vibrational state of about one Hz ('Hertz,' or vibrations per second) to a high of about 30 Hz. The highest-frequency vibrations, ranging from about 13 to 30 ... Continue reading

BrainWaves
Medicine

Re-emerging Microbes

The reappearance of microbes that had been successfully conquered or controlled by medicines is distressing to the scientific and medical communities as well as to the public. A major cause of this ... Continue reading

ReemergingMicrobes

Tea Time!

TeaTimeDid you know that a disease of coffee plantations made the British tea drinkers? In the 1700s Britain had many coffeehouses that served as popular social gathering places to discuss current events and conduct business. For example, the famous insurance company 'Lloyds of London' was started by patrons of Edward Lloyd's coffeehouse about 1774. These coffeehouses obtained their coffee from plantations in Ceylon (now known as Sri Lanka), the leading coffee exporter of the time. About 1870 a serious disease, coffee rust, struck these plantations and in 10 years had destroyed half of the coffee production. As a result of this disease former coffee plantations were replanted with more than a half-billion tea bushes.

A pound of tea yields 10 times as many cups of the brew as a pound of coffee, making tea much less expensive than coffee and allowing the lower classes to enjoy a stimulating beverage. So tea became a great leveler of British society.

Although rust-resistant coffee varieties have been developed, races of rust occur that overcome this resistance, and the disease continues to be a problem. Strict quarantines are enforced in coffee growing regions of the world, especially in Central America, in an attempt to prevent the establishment of rust in their coffee plantations.