Invisible helium atoms provide exquisitely sensitive test of fundamental theory

Journal Reference: B. M. Henson, J. A. Ross, K. F. Thomas, C. N. Kuhn, D. K. Shin, S. S. Hodgman, Yong-Hui Zhang, Li-Yan Tang, G. W. F. Drake, A. T. Bondy, A. G. Truscott, K. G. H. Baldwin. Measurement of a helium tune-out frequency: an independent test of quantum electrodynamics. Science, 2022; 376 (6589): 199 … Read more

Exquisitely preserved embryo found inside fossilized dinosaur egg

Journal Reference: Lida Xing, Kecheng Niu, Waisum Ma, Darla K. Zelenitsky, Tzu-Ruei Yang, Stephen L. Brusatte. An exquisitely preserved in-ovo theropod dinosaur embryo sheds light on avian-like prehatching postures. iScience, 2021; 103516 DOI: 10.1016/j.isci.2021.103516 The embryo, dubbed ‘Baby Yingliang’, was discovered in the Late Cretaceous rocks of Ganzhou, southern China and belongs to a toothless … Read more