News tagged with seawater

Shells slim down with CO2

Marine algae that turn carbon dissolved in seawater into shell will produce thinner and thinner shells as carbon dioxide levels increase.

Aug 09, 2011
4.2 / 5 (6) 0 | with audio podcast

Exploring hidden life’s abundance

(PhysOrg.com) -- Two miles below the surface of the Sargasso Sea lies a depression in the Earth’s crust filled with sediment and, scientists believe, teeming with life — exotic, microscopic, and very likely ...

Feb 12, 2009
4.8 / 5 (5) 0

Salt causes chalk cliffs to collapse

Salt plays a greater role in undermining chalk cliffs than previously thought, say scientists. Until recently, if a chalk cliff collapsed it was blamed on waves eroding its base, or the chalk weakening as ...

Apr 19, 2013
4 / 5 (6) 2 | with audio podcast

Volcanoes deliver two flavors of water

Seawater circulation pumps hydrogen and boron into the oceanic plates that make up the seafloor, and some of this seawater remains trapped as the plates descend into the mantle at areas called subduction zones. ...

Feb 26, 2012
4.2 / 5 (5) 5 | with audio podcast