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Frontiers | Shaping of the Present-Day Deep Biosphere at Chicxulub by the Impact Catastrophe That Ended the Cretaceous

Frontiers | Shaping of the Present-Day Deep Biosphere at Chicxulub by the Impact Catastrophe That Ended the Cretaceous
frontiersin.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from frontiersin.org Daily Mail and Mail on Sunday newspapers.

United States , United Kingdom , District Of Columbia , New Zealand , Yellowstone Park , Kalmar Lan , Devon Island , South Korea , Desulfovermiculus Desulfovibrionia , Coriobacteria Actinobacteriota , Sherwood Lollar , Staphylococcaceae Salter , Bacteroidetes Chlorobi , Paracoccus Alphaproteobacteria , Brockia Thermoanaerobacteria , Brockia Org , Indicspecies De , Iilumina Miseq , Alphaproteobacteria Roseobacter , Merck Millipore , Garcia Costas , Gammaproteobacteria Halomonas , Samail Ophiolite , J Desmons Cambridge , Acidiphilium Alphaproteobacteria , Enhydrobacter Gammaproteobacteria ,

Faculty Appointed Endowed Professorships, Chair Appointments

Faculty Appointed Endowed Professorships, Chair Appointments
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United States , Ann Arbor , Lawrence Livermore National Laboratory , University Of Southern California , United Kingdom , Smithsonian Observatory , Francis Starr , Santa Barbara , Edward Moran , Ilesanmi Adeboye , John Monroe Van Vleck , Abigail Hornstein , Suzanne Oconnell , University Of Michigan , Ford Foundation , American Physical Society , University Of Chicago , York University , Stern School Of Business , National Endowment For The Humanities , Mathematical Sciences Research Institute , Cambridge University , Geological Society Of America , Oberlin College , Columbia University , Mochizuki Memorial Fund Award ,

90% of Prehistoric Sharks Died Off 19 Million Years Ago; Scientists Don't Know Why

A study published in the journal Science reveals that 90% of ancient shark populations died off 19 million years ago mysteriously. The study found that sharks ....

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Something Wiped Out Nearly All Sharks 19 Million Years Ago, New Research Suggests

Something Wiped Out Nearly All Sharks 19 Million Years Ago, New Research Suggests
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A careful arrangement of shark scales, or dermal denticles. (Image: Leah Rubin)
Scientists have stumbled upon a previously unknown extinction event that decimated ocean shark populations 19 million years ago. The cause of this sudden die-off, in which global shark populations plummeted by 90%, is a complete mystery.
The previously unidentified extinction event, as described in a Science paper published today, was discovered by accident. Elizabeth Sibert, the first author of the study and a postdoctoral fellow from the Yale Institute for Biospheric Sciences at Yale University, detected evidence of the extinction event while studying fossilized fish teeth and shark scales. Sibert was seeking to learn more about these mysterious bits and pieces, collectively known as ichthyoliths, so she, along with co-author Leah Rubin, a student at the College of the Atlantic at the time of the r ....

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26,322 Ft.: OSIL Giant Piston Corer Breaks Deep-Ocean

26,322 Ft.: OSIL Giant Piston Corer Breaks Deep-Ocean Sampling Record
Ocean Scientific International report that one of its Giant Piston Corer systems has broken two records in scientific ocean drilling and coring on the International Ocean Discovery Program (IODP) Expedition 386.
The expedition has been staged by the European Consortium for Ocean Research Drilling (ECORD) to gain an insight into the seismic history of the study region off the Japanese coast, and is supported by the Japan Agency for Marine-Earth Science and Technology (Jamstec). On Friday May 14, 2021, the team on board the RV Kaimei recorded an historic sampling water depth of 8,023m (26,322 ft.), and recovered a 37.74m core in a 40m barrel string, a 94.3% recovery rate and record deepest sub-sea level sample (from 8060.74 metres below sea level) from the Giant Piston Corer that was produced, installed and supported by OSIL. ....

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