Investigators from the NYU Molecular Design Institute and the University of Puerto Rico, Rio Piedras reported in the Proceedings of the National Academy of Sciences a new crystal polymorph of deltamethrin, a widely-used contact insecticide used for malaria prevention,, which is more than 10 times as effective against mosquitoes compared with the currently used version. The team included Jingxiang Yang, Bryan Erriah, Chunhua T. Hu, Ethan Reiter, Xiaolong Zhu, Mike Ward and Bart Kahr from NYU, and Vilmalí López-Mejías and Isis Paola Carmona-Sepúlveda from the UPR. Find the article here.