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FSU Research:Ancient ocean deoxygenation provides an urgent warning(图)
FSU Research Ancient ocean deoxygenation urgent warning
2017/9/4
A 94-million-year-old climate change event that severely imperiled marine organisms may provide some unnerving insights into long-term trends in our modern oceans, according to a Florida State Univers...
Ancient plankton-like microfossils span two continents
Ancient plankton-like microfossils span two continents
2017/7/25
Large, robust, lens-shaped microfossils from the approximately 3.4 billion-year-old Kromberg Formation of the Kaapvaal craton in eastern South Africa are not only among the oldest elaborate microorgan...
Can an ancient ocean shoreline set the stage for a tropical forest of today?
ancient ocean shoreline set the stage tropical forest
2017/7/24
Find related stories on NSF's Critical Zone Observatory Sites. Find related stories on NSF's Long-Term Ecological Research Sites.Could an ancient ocean shoreline determine what a tropical forest looks...
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Reconstruction of Ancient Chromosomes Offers Insight Into Mammalian Evolution(图)
Reconstruction Ancient Chromosomes Insight Into Mammalian Evolution
2017/7/24
What if researchers could go back in time 105 million years and accurately sequence the chromosomes of the first placental mammal? What would it reveal about evolution and modern mammals, including hu...
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Fossil ‘Winged Serpent’ Is a New Species of Ancient Snake,Penn Doctoral Student Finds(图)
Winged Serpent New Species of Ancient Snake Penn Doctoral Student
2017/7/20
An ancient sink hole in eastern Tennessee holds the clues to an important transitional time in the evolutionary history of snakes. Among the fossilized creatures found there, according to a new paper ...
UMD-led Study Finds Ancient Earth’s Fingerprints in Young Volcanic Rocks
UMD-led Ancient Earth’s Fingerprints Young Volcanic Rocks
2017/4/27
Earth’s mantle is made of solid rock that nonetheless circulates slowly over millions of years. Some geologists assume that this slow circulation would have wiped away any geochemical traces of Earth’...
Stanford biologists identify ancient stress response in corals
Stanford biologists ancient stress response corals
2017/3/30
Stanford marine biologists have discovered that corals activate a specific group of ancient, defensive genes when exposed to stressful environmental conditions. These stress-induced genes could serve ...
Green Sahara's Ancient Rainfall Regime Revealed by Scientists
Green Sahara Ancient Rainfall Regime Scientists
2017/2/16
Rainfall patterns in the Sahara during the 6,000-year "Green Sahara" period have been pinpointed by analyzing marine sediments, according to new research led by a UA geoscientist.What is now the Sahar...
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Scientists engineer animals with ancient genes to test causes of evolution(图)
Scientists engineer animals ancient genes test causes of evolution
2017/2/16
Scientists at the University of Chicago have created the first genetically modified animals containing reconstructed ancient genes, which they used to test the evolutionary effects of genetic changes ...
Anthropometry: continued refinements and new developments of an ancient method
Anthropometry continued refinements new developments of an ancient method
2018/11/12
More than half a million people were displaced for >1 y during a 2012 conflict in Sudan (1). The ongoing violence led civilians to seek shelter in caves and to disperse in mountainous regions for safe...
What the ancient CO2 record may mean for future climate change
ancient CO2 record future climate change
2016/11/4
The last time Earth experienced both ice sheets and carbon dioxide levels within the range predicted for this century was a period of major sea level rise, melting ice sheets and upheaval of tropical ...
Recreating ancient vertebrate's first step on dry land
ancient vertebrate first step dry land
2016/7/15
Could a tail have allowed ancient vertebrates to make the transition from water to land?Reporting in Science today, researchers from Georgia Institute of Technology, Carnegie Mellon Universi...
Research shows Antarctic lakes are a repository for ancient soot
Antarctic lakes repository ancient soot
2016/6/12
Remote lakes in a perpetually ice-free area of Antarctica show not only the chemical signature of ancient wildfires, but also some much more recent evidence of fossil-fuel combustion, according to Nat...
A history of snowfall on Greenland,hidden in ancient leaf waxes
history of snowfall Greenland ancient leaf waxes
2016/5/31
The history of Greenland’s snowfall is chronicled in an unlikely place: the remains of aquatic plants that died long ago, collecting at the bottom of lakes in horizontal layers that document the passi...
Ancient bones point to shifting grassland species as climate changes
Ancient bones shifting grassland species climate changes
2016/4/13
More rainfall during the growing season may have led to one of the most significant changes in the Earth’s vegetation in the distant past, and similar climate changes could affect the distribution of ...