What is Your Cosmic Connection to the Elements?

This Web site is the on-line version of a poster and educator guide describing the cosmic origin of the chemical elements. The poster illustrates our connection to the chemical elements and their origins. The educator guide describes the different processes responsible for the elements, and gives eight standards-based activities. The Web site also includes additional activities and a Powerpoint presentation that summarizes the material. Educational levels: Middle school, High school

Numerical semigroups problem list

We propose a list of open problems in numerical semigroups.Comment: To appear in the CIM Bulletin, number 33. (http://www.cim.pt/) 13 page

Elements of IPM for Dairy Cattle in New York State

NYS IPM Type: Livestock IPM ElementsThis is a checklist of items to help you develop or analyze whether you use IPM for flies in your dairy operation. If the IPM practice listed below is used across the farm then check it off and give yourself the all the points. If not, no points should be awarded. To be considered an IPM farm you must have 80% of the points accumulated