News tagged with plant growth

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Oxygen fuels the fires of time

Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. Over the past 400 million years the level ...

Aug 02, 2010 4.8 / 5 (14) 29 | with audio podcast

How hard are we pushing the land?

We may be becoming an ever more technologically advanced society, but we remain as dependent as ever -- if not more and more so -- on the natural world that surrounds us.

Dec 15, 2010 4.1 / 5 (15) 8 | with audio podcast

How salt stops plant growth

Until now it has not been clear how salt, a scourge to agriculture, halts the growth of the plant-root system. A team of researchers, led by the Carnegie Institution's José Dinneny and Lina Duan, found that ...

Jan 23, 2013 5 / 5 (9) 2 | with audio podcast