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3-D Geologic Map Leads To Precious Metal Discovery(图)
3-D Geologic Map Leads Precious Metal
2018/1/10
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...
African Deforestation Not As Great As Feared,Yale Research Shows(图)
African Deforestation Not As Great As Feared Yale
2017/12/19
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...
A Horse Is A Horse,Of Course,Of Course—Except When It Isn’t(图)
A Horse Is A Horse Except When It Isn’t
2017/12/18
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...
A Series of Fortunate Events:Antarctic Zircons Tell Story of Early Volcanism(图)
Series of Fortunate Events Antarctic Zircons Early Volcanism
2017/12/18
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 giant,prehistoric otter's surprisingly powerful bite(图)
prehistoric otter powerful bite
2017/11/24
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 ...
Nearly 500 finger and toe bones belonged to tiny primates 45 million years ago(图)
Nearly 500 finger toe bones belonged tiny primates 45 million years ago
2017/11/23
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...
LSU Researchers Discover Minerals in Volcanic Rock that May Offer New Insights into the First 1.5 Billion Years of Earth's Evolution(图)
LSU Researchers Minerals Volcanic Rock First 1.5 Billion Years Earth's Evolution
2017/11/23
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...
How much water flows into agricultural irrigation?New study provides 18-year water use record(图)
water flows agricultural irrigation 18-year water record
2017/10/26
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...
Fossil discovery in Tanzania reveals ancient bobcat-sized carnivore(图)
Tanzania ancient bobcat-sized carnivore
2017/10/25
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...
Gases from ancient Inland Northwest volcanic eruptions blocked out sun,cooling planet(图)
Gases ancient Inland Northwest volcanic eruptions blocked out sun cooling planet
2017/10/25
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...
Large Volcanic Eruptions in Tropics Can Trigger El Nino Events(图)
Large Volcanic Eruptions Tropics El Nino Events
2017/10/25
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....
Earth’s Tectonic Plates Are Weaker Than Once Thought, According to Research by Penn Geologists(图)
Earth’s Tectonic Plates Weaker Than Once Thought Penn Geologists
2017/10/25
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...
39.5亿年前,地球上可能已存在有机生命
细菌 古菌
2017/10/10
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。
Scientists track the brain-skull transition from dinosaurs to birds(图)
Scientists brain-skull transition dinosaurs birds
2017/9/20
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...