Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

They devised an “add-on” leaf cover that works with the existing leaf, while wind-driven motion between the two layers employs the triboelectric effect to generate minute amounts of electrical ...

This surprisingly entertaining film examines the 1975 fiscal crisis that nearly led the city to bankruptcy. The movie’s conclusions remain relevant today. By Alissa Wilkinson Tom Hardy is a ...

Fern leaf peony is the first of the peony varieties to bloom. Just when the spring-flowering bulbs are blooming, it seems that is when the catalogs for these bulbs arrive in the mail box ...