Tag: manganese
Living Murals: Wall Art Made by Photosynthetic Bacteria
Long suspected to be biological in origin, desert varnish is confirmed to be the product of light-gathering microbes that concentrate manganese as sunscreen.
Glaciers Enhance the Biosphere — By Design
Glacial meltwater performs unexpected and surprising roles that benefit life on earth.
Does Gold Have a Purpose? Science Hints at Answers
A gold rush makes sense. But a copper rush? Not so much. And yet, perhaps there is more to gold than aesthetics.
Membrane Channels Show Astonishing Specificity
The “selectivity filters” in membrane channels of living cells are able to discriminate between very similar molecules or atoms using complex mechanisms.