Apologies
Heliophage,
There have been some rogue postings here as I have tried to get to grips with an alternative blogging system for other purposes…
There have been some rogue postings here as I have tried to get to grips with an alternative blogging system for other purposes…
Oxygen and hydrogen isotope evidence for a temperate climate 3.42 billion years ago. 2009. M. T. Hren, et al. Nature 462: 205-208…