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Several types of grass grow on the tundra, a word meaning treeless plain. Arctic tundra starts at the North Pole and continues south until the taiga forests begin. Alpine tundra is found on the tops of mountains. Both types of…
Turtles include tortoises, which live on land, fresh-water terrapins and turtles that live in the sea. All of these animals possess shells made of bone into which they can retreat if attacked. Two species, the box turtle and the hinge-back…
The tropical regions of the world encompass the areas from the Tropic of Cancer (latitude 23 degrees 26 minutes North) in the Northern Hemisphere to the Tropic of Capricorn (latitude 23 degrees 26 minutes South) in the Southern Hemisphere. Bisected…
Aluminum is a metal that is used in a vast number of applications in our daily lives. It is strong and light, making it ideal for airplanes and to hold our soda. Aluminum also has applications in chemistry, providing pigment…
You might be surprised that any animal would want to eat bees, given the prevalence of stingers. Nevertheless, several animals do. In fact, a number of birds include bees as a substantial part of their diets. TL;DR (Too Long; Didn’t…
The sun — the most massive object in the solar system — is a population I yellow dwarf star. It’s at the heavier end of its class of stars, and its population I status means it contains heavy elements. The…
Deforestation occurs when forest land is cleared, usually to harvest the timber or clear space for agricultural operations. More than 25 percent of the land on Earth is covered by forests, but millions of hectares of this ecosystem are destroyed…
It’s not always easy to spot an animal in their natural habitat. Some, like cheetahs, tend to blend into their surroundings, and others, like blobfish, live in ocean homes so deep that humans can rarely access them. Rainforest monkeys, on…
Electricity is the flow of electrons. The number of electrons flowing is determined by the force (measured in volts) pushing them. Twenty-four volts is a common power requirement for small devices, but it is not a readily available power source.…
Scientific research occurs across many different length-scales, from the study of individual atoms to vast distances across the universe. The micron, or micrometer, is a unit of length that is equal to one millionth of a meter (approximately one 25…
