Proceedings of the National Academy of Sciences, Volume 122, Issue 50, December 2025. SignificanceReproduction is costly, but individuals vary in managing these costs. We examine how reproductive timing and effort relates to telomeres, a marker of biological aging in greater horseshoe bats. Females reproducing earlier in their life had …
Observations from the Little Bunker
Last updated: December 19, 2025 03:16 AM
Atmospheric CO₂
427.2 ppm
+17.7
ppm/year
Atmospheric CH₄
1930.95 ppb
+-3.5
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year