Source:https://www.quantamagazine.org/ninth-dedekind-number-found-by-two-independent-groups-20230801/#comments Ninth Dedekind Number Found by Two Independent Groups 2023-08-02
Source:https://arstechnica.com/science/2023/08/ryugu-samples-reveal-traces-of-rock-from-before-the-sun-existed/ Ryugu samples reveal traces of rock from before the