Minerals in hot springs performed a key chemical reaction for early life on Earth, new study confirms

By Quoc Phuong Tran, PhD Candidate in Prebiotic Chemistry, UNSW Sydney

One of the biggest scientific mysteries is where life on Earth started.

Research has often focused on the role of deep-sea hydrothermal vents – those towering structures on the ocean floor constantly pumping out a melange of organic and inorganic material. Within these plumes are minerals called iron sulfides, which scientists believe could have helped trigger early chemical reactions that created life.

These same minerals are also found in hot springs today, such as the Grand Prismatic Spring…

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