News tagged with isotope ratios

Brown unveils powerful new mass spectrometers

Two plasma mass spectrometers, acquired with funding from Brown University and the National Science Foundation, are providing researchers in the region—at Brown, and other universities, government agencies, ...

Nov 07, 2013
5 / 5 (2) 0

What really happened prior to 'Snowball Earth'?

In a study published in the journal Geology, scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that the large changes in the carbon isotopic composition of car ...

Jan 27, 2012
4.2 / 5 (9) 18 | with audio podcast

Industrialization weakens important carbon sink

Australian scientists have reconstructed the past six thousand years in estuary sedimentation records to look for changes in plant and algae abundance. Their findings, published in Global Change Biology, show a ...

Nov 29, 2011
5 / 5 (1) 1

Deep recycling in the Earth faster than thought

The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, ...

Aug 10, 2011
4.5 / 5 (4) 18 | with audio podcast