EditorialA photo provided by the U.S. Department of Energy shows a pellet of Plutonium-238, glowing from its own energy. This isotope of the element is common compared with the cosmic variety. (U.S. Department of Energy via The New York Times)
EditorialYayoi Kusama’s “Dancing Pumpkin,” (2020) at the “Kusama: Cosmic Nature” exhibit at the New York Botanical Garden, April 7, 2021. (Heather Sten/The New York Times)