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Microscopes stand as an incredibly important scientific development, their invention having opened the field of microbiology altogether. While modern microscopes can enhance images far and beyond their earlier counterparts, they also have varying levels of technological sophistication and find use…
Biotic factors are the living components that affect organisms, such as animals that compete for an organism’s food, human influence and the availability of food that an organism consumes. Biotic factors that affect tundra and impact the animals that live…
The sandhill crane (sometimes called the sand crane) is a species of crane that can be found in various regions of North America, frequenting grasslands, slow rivers, meadows and shallow freshwater marshes. Visually distinguished from the red-crowned crane (found in…
Savannas are vast grassland biomes scattered with trees. Nearly half of Africa is covered in savannas. Large areas of savannas are also found across South America, India and Australia. Though savannas may look like a monoculture of grass from a…
Regardless of the extent of your background in the physical sciences, you have almost surely come across the term “density” at some point in your online, television, book or other media travels. You perhaps know that “dense” means “thick” in…
When thinking of windmills, thoughts of an empty meadow of green grass, a brisk wind blowing at just the right speed, cold lemonade and a rocking chair sitting on a porch may run through your mind. Well windmills may offer…
The elusive, powerful, strikingly colored jaguar (Panthera onca) is the largest feline of North and South America. Formerly it ranged from the southeastern United States to the tip of South America. Now restricted in distribution because of human activities, such…
The concept of displacement can be tricky for many students to understand when they first encounter it in a physics course. In physics, displacement is different from the concept of distance, which most students have previous experience with. Displacement is…
Titratable acidity is a total amount of acid in the solution as determined by the titration using a standard solution of sodium hydroxide (titrant). The reaction completetion is determined by a chemical indicator that changes its color at this point.…
The composition of a battery differs depending on the type–alkaline, lithium or zinc chloride. Batteries come in all shapes and sizes and are available in a wide range of strengths, in terms of power. The one thing in common with…
