CNRS

Scientists Crack Mysterious ‘Dead Water’ Effect That Slows Ships

  • Scientists have got a clue to the mysterious phenomenon beneath the sea’s surface.
  • The strange phenomenon called ‘dead water’ invisibly slows a ship’s progress.
  • It was first observed in 1893 by Norwegian explorer Fridtjof Nansen on his ship Fram.
  • The ship was slowed by a mysterious force and the captain could barely maneuver.
  • The speed changes in ships trapped in dead water are due to waves.
  • These waves act like an undulating conveyor belt on which the boats move back and forth.
  • The waves...

https://mfame.guru/scientists-crack-mysterious-dead-water-effect-that-slows-ships/

The Arctic Ocean, cradle of viral biodiversity

TARA à l’archipel de François Joseph

The Arctic Ocean, cradle of viral biodiversity

New results, mainly from data from the Tara Oceans expedition (2009-2013), provide the most comprehensive catalog to date of viruses found in all the world’s oceans, including the Arctic Ocean. Led by the University of Ohio in the United States, this study, which involves teams from the CEA, CNRS, EMBL, ENS-PSL, and the Fondation Tara Océan, associated within the new Tara Oceans Research Federation GO-SEE(1),...

http://www.allaboutshipping.co.uk/2019/04/25/the-arctic-ocean-cradle-of-viral-biodiversity/