This site, part of Jim Conrad's Backyard Nature Plant web page, discusses this very large family of plants, which includes the sunflower, dandelion, and chrysanthemum. Here you will find information about the composite...

As noted when we first featured this site in the March 25, 2016 Scout Report, chemistry educator Andy Brunning's website Compound Interest impressed us because Brunning was extremely skilled at designing visuals that...

This resource from the University of the West of England, Bristol contains undergraduate level resource introducing the concepts of soil compression and swelling (includes graphs and equations).

The mission of the monthly newsletter, Congenital Cardiology Today (CCT), "is to provide reliable and timely information on devices and procedures, patient therapy, drug therapy, supporting technologies, products and...

A discussion of the history of conic sections, one of the oldest math subjects studied systematically and thoroughly, with a description, formulas, properties, a proof, Mathematica notebooks, the ellipse seen as a...