Modern Mars is bipolar, cold, and oxidizing, while early Mars was characterized by icy highlands, episodic warmth and reducing atmosphere. The timing and association of the climate and redox transitions […]
Nature Communications
Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Status Report
Shaping Earth’s Initial Nitrogen Budget
The relative roles of protoplanetary differentiation versus late accretion in establishing Earth’s life-essential volatile element inventory are being hotly debated.
Posted inGenomics, Proteomics, Bioinformatics, Microbiology & Virology, Microgravity, Space Life Science, Space Stations, Status Report
Microbial Adaptation To Spaceflight Is Correlated With Bacteriophage-encoded Functions
Evidence from the International Space Station suggests microbial populations are rapidly adapting to the spacecraft environment; however, the mechanism of this adaptation is not understood. Bacteriophages are prolific mediators of […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Fossils & Paleontology, Gaia - Planetary Perspectives, Microbiology & Virology, Press Release, Water/Hycean Worlds & Oceanography
Limited Adaptability Makes Freshwater Bacteria Vulnerable To Climate Change
Freshwater resources are limited, accounting for only 3.5% of Earth’s water, with just 0.25% accessible on the surface. Nevertheless, freshwater lakes are essential for ecosystem functioning and global carbon cycling […]