What Are Nanoparticles and Why Should You Care About Them? The technology of tiny particles is revolutionizing skincare—but it might not be safe. By Annie Jackson
Reprintable Paper Becomes a Reality Coating paper with an inexpensive thin film can allow users to print and erase a physical page as many as 80 times. That reduces both the cost and the environmental effects of paper use. By Yadong Yin
Brooke Korine Miller On Pretty With Purpose and “the Worst Club With the Best Members” By Jasmine Lobe