Carbon isotopes

Green Impact 3.5 billion-year-old rock in India may hold evidence of early microbial life

Zircon dating, carbon isotopes and Raman analysis strengthen the case for ancient microbial mats in the Singhbhum Craton.

Space Meteorite 200x larger than the dinosaur killer reshaped the course of evolution on Earth Joseph Shavit

Discoveries 2,700 year-old Italian cemetery reveals how status, gender, and diet impacted people’s lives Rebecca Shavit