Blood viscosity is the measure of how thin or thick the blood fluid is. When blood is thin, it flows smoothly and the transport of nutrients and body wastes is faster. When blood is thick, blood flow is sluggish and there is a tendency for cholesterol to get deposited in the walls of the blood...
When people talk about flora and fauna, they are actually referring to plants and wildlife. The plants and the wildlife that are native to a particular geographical region is also called as that particular region’s flora and fauna. Both flora and fauna are collective terms because these words always...
In psychology, projection is the act of assuming that other people see the world in the same way that you see the world. An example of projection would be a Christian who assumes that everyone should see God in a sunset or recognize the authority of the Bible. Some of the most interesting cases...
The third eyelid that some animals possess is called the nictitating membrane. This eyelid, which is clear, is closed around an animal’s eye as a way of protecting it from prey, the elements, or debris. Some of the animals that have a nictitating membrane are birds, sharks, and also some mammals....
Superfetation is the formation of a fetus while another fetus is already present in the uterus. When there are two separate instances of fertilisation during the same cycle, rather than different cycles, it is known as superfecundation. Superfetation is said to be common in several species of...
Nylon was first manufactured in 1930s, by the Dupont Chemical Company. It was first marketed as an affordable alternative to silk. It was light, strong, and could be dyed into beautiful colors and patterns. It was also considerably stronger than silk, and could withstand a lot of wear and tear...
Melanin is the body’s own natural pigment. It is a substance that is responsible for giving the skin and hair its color. Melanin is also responsible for the colors that we see in the iris of the eye – and in animals, the feathers and scales. Generally, people with dark skin possess higher levels...
Polypropylene (with the chemical name of C3H6) is a kind of plastic polymer. It has numerous applications, and is a key ingredient in both industrial processes and consumer goods. Even if not many know of the chemical, nearly everbody has somehow encountered and even used it. If you have heated...
Infrared radiation, which is also known by the abbreviated term IR, is a particular type of radiation that can be found within the electromagnetic spectrum. There are different kinds of radiation that exist within the electromagnetic spectrum. For example, the microwaves that are used in a microwave...
In biology, metamerism is defined as the property of having repeated structural segments in the body of an organism and is often studied in zoology and developmental biology Metamerism is also a particular psychophysical phenomenon related to color and the perception of color. Sample metamerism...
