Foraminifera are single-celled marine organisms with a calcareous shell. They not only provide evidence of past habitats, but ...

We can access these fossils in cores sampled regularly by ocean drilling programmes. Single-celled planktonic foraminifera and calcareous nannoplankton (coccolithophores) are two key and abundant ...

Research has also shown that single-celled organisms known as foraminifera struggle to build their shells in more acidic waters, with them now producing thinner structures. The ocean is a major carbon ...