Researchers have developed an innovative self-adjusting shading system inspired by a surprising natural feature: pine cones. According to a post by the University of Stuttgart on Tech Xplore, ...

Browse 26,400+ happy birthday logos stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Set of anniversary ...

The Wisconsin Department of Natural Resources (DNR) needs your help collecting red and white pine cones for its reforestation program. “The state nurseries will pay collectors to bring in these cones, ...