Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...

The new data on strontium in deep-sea sediments indicate that though foraminifera and coccoliths may be low in strontium (1,200–1,800 p.p.m.) yet the deep-sea carbonate deposits are higher as a ...

One significant area of research has been the evolution of the marine carbonate factory, which plays a crucial role in the global carbon cycle. A study utilized stable strontium isotopes to ...