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When you think of a typical controlled fire, such as a campfire or bonfire, many of the adjectives that come to mind probably concern heat and temperature: Hot. Roaring. Roasting. On the other hand, you may have a number of…
A hawk is a diurnal bird of prey that lives in primarily woodlands, grasslands, pastures, fields, deserts and rainforests. Also known as a raptor, these birds of prey primarily on rodents and other small vertebrates and can live for more…
Dealing with huge numbers can be annoying. The same is true for really small numbers. It can be a lot of zeroes to write out! To deal with this issue, scientists came up with a way to standardize talking about…
In geometry, students must often calculate surface areas and volumes of different geometric shapes such as spheres, cylinders, rectangular prisms or cones. For these types of problems, it is important to know the formulas for both surface area and volume…
The marine/fish food chain is a complex system where small organisms are eaten by larger ones. At the bottom of the food chain are microscopic plants and at the top are well-known predators like sharks and seabirds. Depending on their…
The taiga, or boreal forest, constitutes the world’s largest terrestrial biome. The taiga location separates the temperate and arctic latitudes; it’s essentially an enormous and sparsely populated belt of woods. The prevailing subarctic climate can be ferocious, with a striking…
Dissecting and compound light microscopes are both optical microscopes that use visible light to create an image. Both types of microscope magnify an object by focusing light through prisms and lenses, directing it toward a specimen, but differences between these…
Giraffes are herbivores that live in the African savannahs. As the tallest mammals in the world, they reach a giant 14 to 19 feet (4.3 to 5.8 meters) as adults and weigh between 1,750 and 2,800 pounds (794 to 1,270…
Euclidean geometry, the basic geometry taught in school, requires certain relationships between the lengths of the sides of a triangle. One cannot simply take three random line segments and form a triangle. The line segments have to satisfy the triangle…
Deer live on all continents of the world, except Antarctica. There are many different species, from moose, elk and reindeer to red, roe, coues and fallow deer. The deer birth process follows that of most mammals. The young develop in…
