Proceedings of the National Academy of Sciences, Volume 122, Issue 41, October 2025. SignificanceThis study advances our understanding of the evolutionary timeline for early metazoans, particularly sponges, through the chemical identification of rare C31steranes from Neoproterozoic rocks. We provide compelling evidence linking these …
Observations from the Little Bunker
Last updated: October 16, 2025 04:11 AM
Atmospheric COâ‚‚
424.4 ppm
+18.2
ppm/year
Atmospheric CHâ‚„
1933.54 ppb
+12.29
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year