Showing results for "The Digital Scholar" in Science & Engineering

The structures that lie beneath our skin represent a remarkable and beautiful assortment of biological mechanisms that are essential for our lives. However, we often take these structures for granted. In these 14 fascinating lectures, a basic overview of the human body, its physical features, biological systems, and general functioning will be presented for the benefit of anyone from budding medical students to curious laymen.

In clear, concise language, Professor Young explains the basic categories of cells and tissues and then delves into their specialized functions, whether it be for muscle cells and nervous tissue or the cells of reproductive organs and the highly unusual entities known as "extreme" cells. Finally, Professor Young wraps up the lectures with a topic of universal interest-the death and aging of cells.

The Modern Scholar series offers you college-level courses taught by the world's most respected professors. As these expert teachers guide you through the course material, you become more knowledgeable and better versed in the subject. Learning has never been easier or more enjoyable!

This course guides listeners through the sights of the naked- eye sky, wherein we directly witness the effects of the turning and revolving of the Earth, the artistry painted by the human mind using the sky and stars, and how the view changes with time and with our place on the planet.

As far as we can see there are countless other galaxies of all shapes and sizes set within an ever-expanding space that was created in a "Big Bang" nearly 14 billion years ago. Along with solutions to old puzzles, however, come new riddles, as most of our Universe appears to be in the form of some kind of unseen "dark matter" and incomprehensible "dark energy" whose natures and origins remain unfathomable.

The heart of this course examines the planets themselves, and reveals how they are constructed and how they differ from one another. By studying the physical astronomy of all the planets in the Solar System, we can attempt to understand their true nature. Ultimately, these lectures will bring us to a greater understanding of the Solar System's creation, which brings us again back to the beginning and what it means to us as we look outward from our rotating Earth.

Professor Betsey Dexter Dyer of Wheaton College examines the role of bacteria as major players in Earth's biodiversity. In the course of these fascinating lectures, Professor Dyer delves into the history of microbiology, the four billion year history of bacteria and archaea as the dominant organisms on Earth, and the place of pathogens in the greater context of the bacterial world. This course serves as both a field guide for curious naturalists and a friendly introduction to the world of bacteria and archaea.

The history of Western civilization can be divided neatly into pre-Darwinian and post-Darwinian periods. Darwin's 1859 treatise, On the Origin of Species, was not the first work to propose that organisms had descended from other, earlier organisms and the mechanism of evolution it proposed remained controversial for years. Nevertheless, no biologist after 1859 could ignore Darwin's theories and few areas of thought and culture remained immune to their influence.

Geology is often thought of as simply the study of rocks. In reality, geology is the study of our planet on all scales, from microscopic to planet-wide, and ranging in time from almost instantaneous events, like earthquakes, to the glacially slow motion of the tectonic plates. Everything we know about our world from a geologic perspective is based on information locked into the rock record and the job of a geologist is to tease out that story through a wide variety of observations. This insightful course explores a range of topics that help to tell the story of Earth and to explain the discipline of Geology and the role of the geologist.

With Evolutionary Psychology I and II, Allen D. MacNeill of Cornell University led a thought-provoking series of lectures on why people do the things they do. In Evolutionary Biology I, MacNeill addresses a different side of the coin by examining the biological component, from Charles Darwin’s and Gregor Mendel’s “dangerous ideas” to contemporary thought leaders and the forming of the modern synthesis of this vital field of study.

In "Elemental Matters", Professor Deborah Sauder leads a comprehensive overview of chemistry, a subject that influences every aspect of daily life. Kicking off the lecture series with a revealing look at one of the planet’s most vital chemicals—water—Sauder then delves into the basics of molecular structure and chemical reactions. The course concludes with an eye-opening glimpse of 21st-century applications, such as nanotechnology and energy alternatives."

No Jargon, the Scholars Strategy Network's bi-weekly podcast, presents interviews with top university scholars on the politics, policy problems, and social issues facing the nation. Powerful research, intriguing perspectives -- and no jargon. Find show notes and plain-language research briefs on hundreds of topics at https://scholars.org/podcast.

In this course, we will discuss the moral aspects of human reproduction. We will discuss various influences on reproduction as well as the scientific advances in reproductive technology. At the end of this course we will not have arrived at answers to the various questions raised, but instead will have provided a base for us to consider the issues at hand and a desire to pursue more study in the important aspects of creating humans.

Jeffrey W. Martz of the Denver Museum of Nature and Science is widely renowned for his expertise in the field of paleontology, a science that lies at the crossroads of biology and geology. Paleontologists seek to unearth and re-create life hundreds of millions of years old, and the work of paleontologists offers us detailed glimpses of the prehistoric world. These fascinating lectures delve into the techniques and processes of paleontologists while providing a better understanding of this often misunderstood science.

An esteemed professor of biology at Wheaton College, John Kricher leads a fascinating discussion of the approximately 10,000 species of birds that share our world. In these engaging lectures, Kricher expands on such topics as bird anatomy, the mechanics of flight, migration, reproduction, and song. The professor's lively presentation demonstrates how understanding the traits, life cycle, and evolution of birds is critical for an understanding of the origins and evolution of life on earth - and why conservation plays a vital role in the environment's delicate balance.

Many are familiar with the commonly known senses - sight, hearing, taste, smell, and touch. But most do know realize that humans have other senses beyond these. This is not, however, a spooky "sixth sense" of extrasensory perception. But humans do have a different kind of sixth sense. We also have a seventh sense, and it can be debated that we have even more. These additional senses are in fact specialized systems to detect other aspects of the world that we rarely consider, though they are an important part of our everyday life.

One of Kenyon College’s most honored professors, Timothy B. Shutt is widely renowned as a gifted polymath and lecturer. The night sky was the ancient world’s cinema, and storytellers have used this panorama to weave fascinating tales since the earliest days of mankind. This captivating series of lectures explores the mythological sagas found in the night sky and the history behind the names of the great constellations.

Rolf Nelson of Wheaton College has been widely published in the fields of psychology and visual perception. Seeing Eye to I examines the human visual system, from basic processes like perceiving color and shape to recognizing and categorizing objects to self-awareness. Professor Nelson also demonstrates how the human brain constructs a representation of the world replete with meaning, a task beyond the capability of any current computer.

Nanotechnology is radically altering the world in ways almost unimaginable in only the very recent past. With applications in arenas from medicine and science to warfare and even the world of sports, nanotechnology opens the doorway to a vast array of breathtaking possibilities. In this series of clearly articulated lectures, Professor Deborah Gibbs Sauder explores the world of nanotechnology and all its astounding applications, while also examining the ethical issues raised by the science and the impact nanotechnology is having on big business.

Renowned ornithologist John Kricher presents an absorbing analysis of the diverse ecosystems that exist on Planet Earth. He provides a factual study of the many fragile and threatened portions of our biosphere while describing the interaction between each system and the effect of man's presence in these ecosystems. Professor Kricher also explains the amazing variety of flora and fauna that inhabit the individual ecosystems and addresses current ecological issues facing mankind.