Day: June 12, 2018

Nitrous oxide, the new enemy of the ozone layer

June 12, 2018

Since the ban on CFCs, which devoured stratospheric ozone, nitrous oxide (N 2 O), mass produced by agriculture, has become the main enemy of this protective layer, and is a powerful gas for greenhouse effect. Two studies show the very harmful effects. Part of the stratosphere (whose floor is between 8 and 20 km altitude) contains a higher […]

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Rosita, the transgenic cow, give it a little human milk?

June 12, 2018

In Argentina, a heifer has just been born with two human genes, coding for two proteins that will bring his milk closer to that of the woman. Purpose of the game: to better protect babies whose mothers can not breastfeed from diseases. Rosita Isa (Isa for for INTA and San Martin) has in her two genes […]

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Bacteria unveil the unknown life of the oceanic crust

June 12, 2018

Difficult to access, the bottom of the oceans remains today largely unknown while it shelters the largest ecosystem of the planet, within the oceanic crust, under marine sediments. An unexplored environment that an international drilling program is beginning to reveal. The underwater laboratories were installed at 4,400 meters deep, on the mid-Atlantic ridge (yellow dot on […]

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Why does the ocean lose its nitrogen?

June 12, 2018

In the largest ocean area where the oxygen level is so low that it is not measurable, nitrogen escapes to the atmosphere. Located in the South Pacific, this region contributes significantly to the loss of nitrogen from the global ocean. In a study published in  Nature , scientists reveal the main mechanisms involved.  A CTD probe was used to […]

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