Reading Time: 3 minutes5-3-4. Lipid Metabolism Learning Objectives Explain how energy can be derived from fat Explain the purpose and process of ketogenesis Describe the process of ketone body oxidation Explain the purpose and the process of lipogenesis Fats (or triglycerides) within the body are ingested as food or synthesized by adipocytes or hepatocytes from carbohydrate precursors (Figure […]

Reading Time: 3 minutesFor many, mathematics seems like the purest form of logic — detached, objective, and cold. Yet behind every theorem, equation, and algorithm lies a deeply human story. Curiosity, frustration, creativity, and even empathy drive mathematical discovery. The real beauty of math is not only in its precision, but in how it connects minds across time, […]

Reading Time: 4 minutesWhen the steam engine roared to life and factory whistles echoed across cities, the Industrial Age did more than transform economies—it transformed human experience. The memoirs of this era became the living archive of change, capturing voices of inventors, workers, reformers, and writers who witnessed the birth of modernity firsthand. From soot-covered mills in Manchester […]

Reading Time: 4 minutesWhen we talk about modern technology, the spotlight often shines on a handful of famous names — Steve Jobs, Elon Musk, Thomas Edison, or Alexander Graham Bell. Yet behind every breakthrough stands a chain of minds whose contributions have been forgotten or overshadowed. These are the invisible architects of progress — the inventors who built […]

Reading Time: 5 minutesThe 19th century was more than an age of invention — it was a century of imagination made tangible. It was the moment when art and engineering ceased to exist as separate domains and began shaping each other. Factories became cathedrals of iron and glass, while artists learned to paint smoke, speed, and steel. Together, […]

Reading Time: 4 minutesEvery great leap in human understanding begins not with certainty, but with a question. Curiosity — that restless spark urging us to ask “why” and “how” — has powered every scientific revolution, from Galileo’s telescope to the algorithms exploring the cosmos today. It is not merely a trait; it’s the engine of progress, the invisible […]

Reading Time: 2 minutesThe rise of digital learning has changed how students and educators access knowledge. Among the early pioneers in open and affordable academic publishing was FlatWorld Knowledge — a company dedicated to making high-quality textbooks freely available online. Their works continue to serve learners around the globe, combining academic rigor with accessibility. FlatWorld Textbooks These titles […]

Reading Time: 16 minutesThe early reign of Louis XIV was marked by intrigue, power struggles, and the remarkable political influence of Cardinal Mazarin. Following the death of Louis XIII, France entered a period of regency under Queen Anne of Austria. The queen’s decision to retain Mazarin as her chief minister shaped the nation’s political landscape for nearly two […]

Reading Time: < 1 minuteAs the amino acid chain grows, it folds into a three-dimensional (3-D) structure, which depends on both the chemical nature and order of the different amino acids. The 3-D structure determines the function of the protein. When there is a change in one or more amino acids, then the ability of the protein to function […]

Reading Time: 5 minutesBy Martha J. Lamb Home  |  Previous  |  TOC  |  Next  |  Bookshelf John Ericsson. In a message, referring to the relations of our country with the several nations of Europe, President Harrison said: “The restoration of the remains of John Ericsson to Sweden afforded a gratifying occasion to honor the memory of the great […]