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Dolphins are aquatic mammals that are members of the whale family, with many different species living in the world’s oceans and seas. Dolphins have a pair of lungs and breathe through a blowhole on the top of their heads. They…
From the Finnish word for treeless plain, tundra describes some of the harshest climates on earth. Arid and freezing with poor soil and short summers, life barely thrives in these unforgiving environments. With annual precipitation levels the same as some…
It’s hard to live in the modern world without hearing references to acids, which are often portrayed in pharmaceutical and other advertisements as liquid aggressors bent on erasing and damaging all sorts of things, from skin to clothing to furniture.…
Though the metric and American systems of measurement have different units and organizational methods, the two sometimes borrow from each other. One such borrowing is the hundredweight (cwt.) unit. Based on a grouping of a power of ten, the structure…
The metric system was first adopted in France in 1799. Most countries use this system to define weights and measurements. The United States, however, uses the U.S. Customary System of Measurements — sometimes called English Units — to define weights…
Dragonflies have been around for 300 million years, making them one of the oldest species of insects in the world. Dragonflies have been so successful over the years that the only difference between modern and ancient dragonflies is size. One…
Not all algebraic functions can simply be solved via linear or quadratic equations. Decomposition is a process by which you can break down one complex function into multiple smaller functions. By doing this, you can solve for functions in shorter,…
The Segway Personal Transporter (PT) is an innovative, electric two-wheeled vehicle designed by Dean Kamen in Bedford, New Hampshire. Kamen’s original motivation was driven by a desire to replace walking as a mode of travel, particularly in urban areas. The…
Adaptation, in evolutionary terms, is the process that species go through in order to become accustomed to an environment. Over many generations, through the process of natural selection, organisms’ physical and behavioral features adapt to function better in the face…
The United States first built a nuclear fission reactor in 1942, and used the first fission bombs in 1945. It was in 1952 that the U.S. government tested the first fusion bomb, but fusion reactors, as of May 2011, are…
