Very neat article examining how calcium carbonate gets dissolved in oceans, sequestering away CO2 into the deep cold ocean.
Borer et al., Microbially enhanced dissolution of calcite in sinking marine particles. PNAS, 2026,
Came out yesterday, so this is pretty fresh Science!
UPDATED: Link to free version (thanks to @Artemis201 for finding this!) https://dspace.mit.edu/bitstream/handle/1721.1/165057/ParticleDissolution_borer_PNAS_Revision2_FiguresWithin.pdf
So...what is happening? Why should we care?
This touches a lot of sciences: