Tag Archives: photosynthesis

Motion in the ocean

By Stephen Ornes / May 3, 2013
Scientists say pulsing corals make their motion to bring in needed nutrients. Credit: M. Kremien et al/PNAS 2013

Scientists figure out why pulsing corals pulse

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Iron versus climate change

By Roberta Kwok / August 9, 2012
A tiny organism called a diatom can absorb carbon dioxide from the atmosphere and carry the carbon to the bottom of the ocean. Credit: Marina Montresor, SZN / Alfred Wegener Institute.

Metal deposits can promote the growth of ocean algae that gobble greenhouse gas

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Getting the dirt on carbon

By Susan Gaidos / March 3, 2009

The circle of life continues thanks to the carbon cycle

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A Change in Leaf Color

By Emily Sohn / September 18, 2006

Leaves go to a lot of trouble to turn red in the fall.

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Ancient Heights

By Emily Sohn / December 17, 2004

Leaf fossils can help track the rise and fall of mountain ranges.

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