Figure 1. Observed the different colors of the aurora borealis...National Institutes of Natural Sciences
A Band-aid for the heart? New 3D-printed material could make it possible...University of Colorado at Boulder
Seana Walsh from the National Botanical Garden in Kauaʻi collects leaf litter at Kokeʻe State Park in Kauaʻi....USDA Forest Service - Pacific Southwest Research Station
