Matthew Wolf-Meyer, Associate Professor in the Department of Anthropology at Binghamton University, discusses how industrialization has transitioned our sleep patterns into a consolidated model, where we sleep through the night. Our agrarian roots allowed for a biphasic, dividing your sleep into two periods, or polyphasic, sleeping numerous times during twenty four hours, model.
Indre Viskontas, Adjunct Professor of Psychology at the University of San Francisco, explains how the brain stores information and the physiology behind how memories are constructed.
Kathleen Walsh, Clinical Assistant Professor of Emergency Medicine at the UW School of Medicine and Public Health, provides a list of factors that can influence whether an older person will fall. Walsh looks at a fall risk equation and discusses how to prevent a fall.
Zachary Handlos, Research Associate in Atmospheric and Oceanic Sciences at UW-Madison, explains how the jet stream works and its importance in the development and motion of weather systems. Handlos discusses how the jet stream was first discovered and the role UW-Madison played in the invention of the first weather satellite.
Kyle Cudworth, Professor Emeritus of Astronomy and Astrophysics at the University of Chicago, explains the difference between open star clusters and globulars, which contain hundreds of thousands of stars and are more centrally concentrated than the open clusters.
Kristin Litzelman, Integrated Specialist in Human Development and Family Studies at UW-Extension, defines the work of informal caregivers, discusses why caregiving is important and shares results of her research of spousal support of cancer survivors.
Paul Mitchell, State Specialist in Cropping Systems Economics at UW-Extension, explains the economic value of cover crops and explores the economic principles that drive farmers to plant cover crops.
Laura Van Eerd, Associate Professor of Soil Fertility and Cover Crops at the University of Guelph, discusses the use of nitrogen as a nutrient source for cover crops. Van Eerd explains the nitrogen cycle and how to minimize nitrogen loss while maximizing nitrogen in the soil.
Jerry Hatfield, Laboratory Director and Plant Physiologist at the USDA Agricultural Research Service, explains why soil health is important, how soil degrades, how to enhance soil, how cover crops fit into the picture and the future demands of agriculture.
Tom Kaspar, Plant Physiologist at the USDA Agricultural Research Service, presents the nitrate levels in the Raccoon River in Des Moines, Iowa. Kaspar discusses the reasons for high levels of nitrogen in the water and suggests ways to lower the levels.