Why live in a glass house? For diatoms -- tiny ocean-dwelling organisms that live in exquisitely ornate glass cases -- the benefit turns out to be enormous.
In a paper published in the Sept. 13 issue of Science, Princeton scientists show that diatoms probably depend on glass to survive because the material facilitates photosynthesis. However, their study suggests that this domestic arrangement has a much bigger beneficiary: the entire planet, which owes its present-day, oxygen-rich and carbon-poor atmosphere in part to diatoms and their effective use of glass.
Diatoms are one-celled organisms that are so prolific they account for a quarter of all the photosynthesis on the planet. In photosynthesis, organisms use sunlight and carbon dioxide to make sugar and oxygen.
Steven Schultz | EurekAlert!
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