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A circle is one of the most universal geometric shapes, but exploring the mathematical concepts of diameter and area can sometimes feel tricky. Whether you are measuring the size of a round rug you need to purchase or determining the…
Two of the most recognizable star patterns in the night sky are the belt of Orion and the Big Dipper. These two “asterisms” are in separate constellations. Asterisms An asterism is a grouping of stars or a number of stars…
Cottonmouths, also called water moccasins, are venomous snakes that are native to the southeastern United States. Their territory stretches from Texas to the Eastern Seaboard, and from the Florida Keys to the middle of Missouri. The cottonmouth snake, a poisonous…
Both male and female tigers exhibit a range of fascinating behaviors that are of great interest to biologists. Scientists who study captive tigers can easily determine a tiger’s gender by examining its reproductive organs. Scientists studying tigers in the wild…
The shimmering hues of a peacock’s feather have been a source of aesthetic and scientific admiration for thousands of years. Unlike most birds, peacocks do not derive their colors purely from pigments, but from a combination of pigments and photonic…
Birds lay eggs of different sizes, shapes and colors, but with a little detective work, you can work out which bird laid a particular egg. To identify white bird eggs, look at their markings, size and shape, and where the…
Whether you’re wondering what your chances of success are in a game or are just preparing for an assignment or exam on probabilities, understanding dice probabilities is a good starting point. Not only does it introduce you to the basics…
Cheerful, colorful and seemingly uncomplicated daisy flowers belong to the sunflower family, or Asteraceae, which is one of the largest families of flowering plants. The often-showy flower heads actually have a complex design, so a sunflower or gerbera flower diagram…
According to the Humane Society of the United States, there are about 77.5 million dogs owned by families across America. These dogs are not just man’s best friend, but also a potential subject for a child’s science fair project. There…
Rust is a fact of life on Earth as well as at least one other planet in the solar system: Mars. The reddish tinge of that planet is largely due to the presence of iron oxide, or rust, on its…
