This is an artist’s impression of habitable Mars Daein Ballard / CC BY-SA 3.0 We know that at different points in Earth’s history, it had very different oxygen levels. There seem to have been times at ...

The oxygen isotope composition of phosphate (δ 18 O p) offers a powerful tracer for elucidating the complex pathways of phosphorus cycling in both terrestrial and aquatic ecosystems. By analysing the ...

Phosphorus is found in everything from matches to fertilizer—and may be critical to starting the spark of life and keeping it going. Scientists studying the origin of life in the universe often focus ...

Purifying phosphorus When phosphorus is mined out of the ground, it is in the form of phosphate, a mineral whose basic unit comprises one atom of phosphorus bound to four oxygen atoms. About 95 ...

Benjamin J. W. Mills receives funding from the UK Natural Environment Research Council Lewis Alcott does not work for, consult, own shares in or receive funding from any company or organization that ...

Journal of Coastal Conservation, Vol. 24, No. 4 (2020), pp. 1-7 (7 pages) Inorganic forms of nitrogen and phosphorus, oxygen levels, suspended solids, and planktonic primary productivity were ...

Phosphorus – a key ingredient for life as we know it – was thought to be relatively rare in space. But now, astronomers have detected a surprising amount of the stuff on the fringes of the galaxy, ...