<p>➀ Researchers from Tokyo University of Science and other institutions have discovered antiferromagnetism in quasicrystals for the first time.</p><p>➁ The discovery was made in a novel Tsai-type gold-indium-europium (Au-In-Eu) iQC with unusual symmetries.</p><p>➂ The research suggests that quasicrystals with a positive Curie-Weiss temperature are more likely to establish antiferromagnetic order.</p>