Oxygen
In oxygen-deprived clay: 300,000-year-old wooden tools unearthed in China
Tools used for digging up underground plant foods, supporting the idea of a plant-based diet among early humans.
James Webb telescope reveals oxygen in galaxy from 13.4 billion years ago
Light from JADES-GS-z14-0 has taken 13.4 billion years to reach Earth, revealing a chemically mature galaxy when the universe was less than 300 million years old.
Life without oxygen: The mysterious microbes thriving in the Lost City beneath the waves
The Lost City, found in 2000 near the Mid-Atlantic Ridge, is a deep-sea ecosystem with towering limestone formations resembling underwater cathedrals.