June 8, 2021 updates Posted on June 8, 2021 by Doug Loss A Fresh Approach to the Search for Extraterrestrial Intelligence (SETI) https://lweb.cfa.harvard.edu/~loeb/Fresh_SETI.pdf High Altitude Limits of Living Things https://liebertpub.com/doi/10.1089/ham.2020.0212 Venus: key to understanding the evolution of terrestrial planets https://link.springer.com/article/10.1007/s10686-021-09766-0 Quantum hypothesis testing for exoplanet detection https://arxiv.org/abs/2106.00488 Thermo-accelerative optimization of relativistic lightsails https://arxiv.org/abs/2106.03558 Ionization and transport in partially ionized multicomponent plasmas: Application to atmospheres of hot Jupiters https://arxiv.org/abs/2106.03092 Nutrient Supply to Planetary Biospheres from Anoxic Weathering of Mafic Oceanic Crust https://arxiv.org/abs/2002.07667