New geochemical techniques now make it possible to precisely determine the water depths at which plankton used to live. This opens new opportunities for palaeoceanographic research. New geochemical ...

Dinosaur eggshells, once treated as background scenery in fossil digs, have turned out to be some of the most precise ...

Climate changes from millions of years ago are recorded at daily rate in ancient sea shells, new research shows. A huge X-ray microscope has revealed growth bands in plankton shells that show how ...

Shells' chemistry shifted to respond to influx of carbon into the oceans, corresponding with Deccan Traps eruption Researchers studied clam and snail shells collected from Seymour Island, Antarctica ...

Scientists have worried in recent years that rising levels of carbon dioxide in the atmosphere, which is increasing acidification of the ocean, will cause shells of sea creatures to be thin and ...

Here we present the first use of calcareous microfossils to examine the late Quaternary paleoecology of the endorheic Pozuelos Basin (Argentina). Modern deposition in the basin centers on Laguna de ...

The chemistry of shells of plankton called foraminifera are a record of past climate. Recent experiments show magnesium levels vary in foram shells due to different growth rates during daily ...

Using the Advanced Light Source (ALS) in California, scientists have revealed growth bands in plankton shells that show how shell chemistry records the sea temperature. Work currently continues at ...