Could Massive White Cliffs Be Forming Beneath Antarctica's Ocean?

The White Cliffs of Dover, the steep, chalky cliffs that fringe England's southeastern coastline, formed about 100 million years ago thanks to a "Goldilocks" set of ocean conditions, new research suggests. What's more, a massive new set of cliffs could be forming right now in the Southern Ocean near Antarctica as tiny algae shed their calcium-laden shells. "While we don't have the great cliffs of the Southern Ocean, there is solid evidence that the calcite is making it to the seafloor," William