Earth History

I've been thinking a lot lately about what history really means, not just as a subject we studied in school, but as something that shapes how we understand ourselves and our world. The more I reflect on it, the more I realize that history isn't what I once thought it was.

Researchers at Tulane University have made important discoveries about how the amount of oxygen in the ocean has changed over thousands of years, and what this means for our climate future. By analyzing ocean floor sediments from the Arabian Sea, the team can measure past oxygen levels and link these findings to carbon dioxide levels in the atmosphere.