Study finds fresh water and key conditions for life appeared on Earth a half-billion years earlier than thought

We need two ingredients for life to start on a planet: dry land and (fresh) water. Strictly, the water doesn’t have to be fresh, but fresh water can only occur on dry land. We need two ingredients for life to start on a planet: dry land and (fresh) water. Strictly, the water doesn’t have to be fresh, but fresh water can only occur on dry land. Earth Sciences Phys.org – latest science and technology news stories