astrobiology.com/2026/10/01/n... #astrobiology #microfossils #biosignature

A fascinating seminar yesterday from Dr Heda Agić on how Earth's earliest complex cells survived low-oxygen oceans and extreme climate events, reshaping our understanding of the evolution of complex life.
#Astrobiology #Palaeontology #Evolution #Microfossils #SnowballEarth
Foraminifera shells flip coiling direction worldwide in a geological eyeblink—not local adaptation but a global population #Foraminifera #Paleoceanography #Microfossils #Evolution
https://freegardner.com/sci_scout/global-flip-in-foraminifera-shell-coiling-explained.html