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Using technology for 3-D electronic mapping originally developed by scientists working in the McMurdo Dry Valleys of Antarctica, NSF-funded researchers discovered one of the world's largest precious m...
The loss of forests in Africa in the past century is substantially less than previously estimated, an analysis of historical records and paleontology evidence by Yale researchers shows.Previous estima...
Song of the red rock arches(图)     Song  red  rock arches       2017/12/19
It starts out as a rumble, like something heard underwater. It rises and falls in waves that pass one after another. But it couldn't be farther from the sea. This is what the red rock arches of the C...
An international team of researchers has discovered a previously unrecognized genus of extinct horses that roamed North America during the last ice age. The new findings, published November 28 in the...
Volcanism is sometimes like food poisoning, where the Earth spews forth unstable material. New research suggests that a significant pulse of volatile carbon was released from the Earth’s mantle around...
A massive, wolf-sized otter that lived about 6 million years ago may have been a dominant predator in its time, according to a new study analyzing the animal’s jaws.The research provides insight into ...
At Northern Illinois University, Dan Gebo opens a cabinet and pulls out a drawer full of thin plastic cases filled with clear gelatin capsules. Inside each numbered capsule is a tiny fossil—some are s...
The first 1.5 billion years of Earth’s evolution is subject to considerable uncertainty due to the lack of any significant rock record prior to four billion years ago and a very limited record until a...
Irrigation for agriculture is the largest use of fresh water around the globe, but precise records and maps of when and where water is applied by farmers are difficult to locate. Now a team of researc...
Paleontologists working in Tanzania have identified a new species of hyaenodont, a type of extinct meat-eating mammal. The study is published today, National Fossil Day, in the journal PLOS ONE and fu...
The Pacific Northwest was home to one of the Earth’s largest known volcanic eruptions, a millennia-long spewing of sulfuric gas that blocked out the sun and cooled the planet, Washington State Univers...
Explosive volcanic eruptions in the tropics can lead to El Niño events, those notorious warming periods in the Pacific Ocean with dramatic global impacts on the climate, according to a new study....
No one can travel inside the earth to study what happens there. So scientists must do their best to replicate real-world conditions inside the lab.“We are interested in large-scale geophysical process...
英国《自然》杂志9月27日发表一篇论文称,日本科学家对加拿大拉布拉多北部沉积岩中的碳质物和碳酸盐进行碳同位素组成分析,结果发现,可能早在39.5亿年前,地球上就已存在有机生命,其或是地球上已知最早的一些生命。
The dramatic, dinosaur-to-bird transition that occurred in reptiles millions of years ago was accompanied by profound changes in the skull roof of those animals — and holds important clues about the w...

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