The NSB contains some of the oldest sedimentary rocks known on Earth which likely formed part of an iron-rich deep-sea hydrothermal vent system that provided a habitat for Earth's firstlife formsbetween 3,770 and 4,300 million years ago. "Our discovery supports the idea that life emerged fr...
“It gives us an idea how our planet evolved and how lifegained a foothold,” VanKranendonk said. Scientists had thought it would take at least half a billion years for life to form after the molten Earth started to cool a bit, but this shows it could have happened quicker, he said. ...
【题目】Trees are one of the oldest living things on earth. They play a very important role for human’s existence. Trees are important for life as they provide food and oxygen. The importance of tree continues to increase and more benefits of trees are being discovered as their role ...
WASHINGTON, Feb. 11 (Xinhua) -- An international team led by French geologists uncovered the oldest fossilized traces of life's ability to move, tracing back to 2.1 billion years ago. The study published on Monday in the Proceedings of the National Academy of Sciences showed that certain multi...
Trees are one of the oldest living things on earth. They play a very important role for human's existence. Trees are important for life as they provide food and oxygen. The importance of tree continues to increase and more benefits of trees are being discovered as their role expands to sat...
【题目】 Trees are one of the oldest livingthings on earth. T rees are important for lifeas they provide food and orygen. T he importance of trees continues to increase and more benefits of trees are being discovered as their role expands to satisfy the needs created fromus human beings. ...
Trees are one of the oldest living things on earth. Trees are important for life as they provide food and oxygen. The importance of trees continues to increase and more benefits of trees are being discovered as their role expands to satisfy the needs created from us human beings. The forests...
【题目】Trees are one of the oldest living things on earth.Trees are important for life as they provide food and oxygen.T he importance of tree continues to increase and more benefits of trees are being discovered as their role expands to satisfy the needs created from us human beings.T ...
Trees are one of the oldest living things on earth .They play a very important role for human’s existence. Trees are important for life as they provide food and oxygen. The importance of tree continues to increase and more benefits of trees are being discovered as their role expands to sa...
The pink-producing cyanobacteria are so old that even algae, one of the oldest forms of life on earth, was rarely found. “This was truly an alien world," study co-author Jochen Brocks told LiveScience. A few hundred million years later, algae would start to multiply, and start to ...