The major difference between a monocotyledon (monocot) and a dicotyledon (dicot) is that a dicot has two cotyledons and a monocot one. The cotyledon is the seed endosperm contained within the testa (seed coat). If you take the large seed…
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February 28, 2014 Physical Science
By definition, water has a neutral pH, 7.0, which is neither acidic nor basic (alkaline). To make an alkaline solution in water is easy. All it takes is the addition of a base. Even a small amount will do, as…
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When most people talk about dolphins, it is usually about their playful or intellectual nature. However, just like humans, dolphins have a not-so-attractive side, as well. This “evil” nature can be tied to their methods of reproduction, their choice of…
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February 28, 2014 Physical Science
In chemistry the focus is often on the individual molecule its structure, name, physical properties and chemical reactivity. Molecules do not generally exist isolated and alone, however. They are immersed in the environment around them, surrounded by other molecules which…
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February 28, 2014 Physical Science
Most people have heard about ozone depletion, and a majority probably also know that it is a gaseous layer in our atmosphere that prevents harmful solar radiation from reaching the surface of our planet. But how many people know what…
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February 28, 2014 Medical Science
It’s long been known that too much sugar and salt in the diet is bad for health, but two recent Harvard studies bring all that home by pointing out just how many people die as a result of consuming too…
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February 28, 2014 Medical Science
Doctors have a wide range of procedures, tests, and tools available for diagnosing and treating disease. Some of these procedures are more easily done and not as hard on the patient – while others are difficult and present greater risk…
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February 28, 2014 Physical Science
My favorite cookie recipe (whole wheat chocolate chip cookies with cashews) says that it will make 48 cookies, and yet I’ve never gotten more than 30 when I make them. That means I’m only getting 62.5% of the number of…
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Use of plastic contributes to global warming, since it is fossil fuel based. It also has many contaminants that are proven to upset endocrine systems in humans and other animals. A book called “Death by Rubber Ducky” lists this and…
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February 28, 2014 Physical Science
When learning about atoms, students soon learn about isotopes atoms of the same element that vary only in how many neutrons they have. When learning about elements, the concept of allotropes is similar. Allotropes are different forms of an element…
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