Ajit Pai @AjitPai
“[S]ubtle anomalies in tungsten and other isotope concentrations are now providing the first glimpses of the planet’s formation and differentiation,” and could offer “timeline-and-map of early Earth, revealing where its features came from, why, and when.” https://t.co/VUegOY9KXC https://t.co/zPiwS3kZDL — PolitiTweet.org