Learning to classify land plants
There are four main groups of land plants: bryophytes, seedless vascular plants, angiosperms (flowering), and gymnosperms (cone-producing). The four groups are distinguished by structural and reproductive traits.
Skunk (Mephitis mephitis)
Skunks are omnivores and eat chipmunks, mice, green plants, and insects. Owls and coyotes prefer to eat these smelly animals.
Clouds over North America from GOES-11: August 3, 2000
This animation is one of a series showing the first data from GOES-11. The data shown was taken at one-minute intervals.
Psychiatric Epidemiology
Psychiatric Epidemiology reviews descriptive and analytic epidemiology for major mental disorders of childhood, adulthood, and late adult life. The course will also examine issues of classification and the nosology of psychiatric disorders as well as operational case definitions and the measurement techniques to enhance field surveys and risk factor research.
Principles of Industrial Hygiene
Principles of Industrial Hygiene provides an introduction to the field of industrial hygiene and to occupational health in general. The instructor focuses on introducing concepts, terminology, and methodology in the practice of industrial hygiene and identifies resource materials. The class would benefit those wishing to pursue a Master's degree in industrial hygiene, those wishing to complete a certificate in occupational health, or for students in allied health fields needing a basic understan
Statistical Reasoning I
Statistical Reasoning in Public Health provides an introduction to selected important topics in biostatistical concepts and reasoning through lectures, exercises, and bulletin board discussions. It represents an introduction to the field and provides a survey of data and data types. Specific topics include tools for describing central tendency and variability in data; methods for performing inference on population means and proportions via sample data; statistical hypothesis testing and its appl
Estimation and Control of Aerospace Systems, Spring 2004
This course focuses on the design of control systems. Topics covered include: frequency domain and state space techniques; control law design using Nyquist diagrams and Bode plots; state feedback, state estimation, and the design of dynamic control laws; and elementary analysis of nonlinearities and their impact on control design. There is extensive use of computer-aided control design tools. Applications to various aerospace systems, including navigation, guidance, and control of vehicles, are
The State, Tolerance and Rationalism in Spinoza, Mendelssohn and Kant
Stefan Bird-Pollan (University of Kentucky) delivers a lecture as part of the Anglo-German 'State of the State' Fellowship Programme on the ideas of The State, Tolerance and Rationalism as seen in the philosophies of Kant, Spinoza and Mendelssohn.
Transformations of the State: Interdisciplinary Perspectives
Professor Saskia Sassen delivers the keynote speech of the 'Transformations of the State: Interdisciplinary Perspectives' conference held by the Anglo-German State of the State Fellowship Programme on 21st May 2011.
London Zoo counts its creatures
Jan. 5 - Counting the animals two by two means it's time to take stock at the London Zoo. Kilmeny Duchardt reports.
Bank rally lifts stocks
Jan. 5 - Summary of business headlines: U.S. stocks recover to close mostly higher; banks rally; economic data points to job market improvements; Barnes and Noble may split off Nook business. Bobbi Rebell reports.
Heart Valve Replacement
This patient education program reviews the symptoms and treatments of heart valve defects, in particular, the benefits and risks of surgery. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
Is This the Theory of Everything?
This model by Garrett Lisi reveals the link between gravity and the other fundamental forces of nature. The intricate pattern is shown in this animated selection accomapnied by narration. ( 2:24)
MICW - High-performance Computing: Brooklin Gore
By: JGI Morgridge Institute for Research's Brooklin Gore on "High Throughput Computing Impact on Meta Genomics" at the Metagenomics Informatics Challenges Workshop held at the DOE JGI on October 12-13, 2011.
Theresa Fulgenzi - Stereotypes
Next steps
In this unit materials you will learn about the history of Spain and the important place of Arab and Jewish cultures in Spanish history. You will study a number of language points to help you talk about history and will write descriptive texts using a variety of stylistic devices.
Science Bulletins: Whales Give Dolphins a Lift
Many species interact in the wild, most often as predator and prey. But recent encounters between humpback whales and bottlenose dolphins reveal a playful side to interspecies interaction. In two different locations in Hawaii, scientists watched as dolphins "rode" the heads of whales: the whales lifted the dolphins up and out of the water, and then the dolphins slid back down. The two species seemed to cooperate in the activity, and neither displayed signs of aggression or distress. Whales and d
Gravity and Vertical Motion Problem - Calculus
Gravity and Vertical Motion Problem - Calculus. In this video, a penny is thrown downward from a tower. The Instructor wants to determine how long it takes to hit the ground. (09:56)
La Cité de Dieu, après-demain ? (video)
Quand Rome est mise à sac le 24 août 410, des voix se lèvent s’interrogeant sur les raisons d’un tel désastre et sur le devenir de Rome. Demain qu’adviendra t-il de la Roma aeterna ? Déconcerté par ce pillage et soucieux d’éclairer les jugements, Saint Augustin décide alors de mener à bien son projet déjà ancien de composer une fresque théologique.
Il compose ainsi La cité de Dieu, œuvre qui oppose la cité terrestre et la cité céleste et qui
