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Lipids create a unique type of polymer, known for being a key component of cell membranes and hormones. Where most polymers are long chains of identical, repeating carbon-containing molecules known as monomers, lipid polymers contain an additional, nonidentical molecule attached…
A tablespoon, denoted as “tbsp.,” is a unit of volume often used in cooking recipes. The United States customary system defines that 1 tbsp. is equal to one-half of a liquid ounce. However, a powder, such as sugar or salt,…
Accounting for some 330 million cubic miles, the pelagic zone – the offshore waters of the ocean – is the world’s most extensive habitat. Although vast reaches of it are relatively barren compared to the lively richness of coastal realms,…
Protractors and compasses are both basic tools for geometric drawing. Students work with them in math classes, while drafting professionals use them on the job. Both tools measure and draw angles and measure distances on maps. But their histories and…
Static electricity can be a bother when it shocks you unexpectedly, but during the winter months and when working with electronics, the static shocks can become frequent and painful. They can even be disastrous if a surprise shock ruins an…
The revolving nosepiece is an important part of a standard optical microscope. Used in classrooms and labs, the optical microscope is the most popular form of microscope due to its low cost relative to other types of microscopes as well…
Perhaps no turtle captures the human imagination more than the often misunderstood snapping turtle. These curious and friendly freshwater reptiles live extremely long lives, causing many people to wonder about the age of a snapping turtle they own or meet…
Calculating total area has many real-world applications. You can use it to determine how many tiles are required to cover a floor, the square footage of a house, the size of a tablecloth needed for a particular table or the…
The metric system of weights and measures is used by most industrialized countries around the world, although the United States still uses the Imperial system. The metric system uses meters and centimeters to measure length, while the Imperial system uses…
Ducks might be the most recognizable waterfowl on the planet. Cosmopolitan, or worldwide, in distribution and wildly successful, you can find various species of ducks in a wide range of habitats and regions, from the manicured ponds of busy theme…
