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Sunbeams filter down on a algae-covered rocks on a shallow seafloor.
Photo Credit
Johan Holmdahl via iStock
Oxygenated seafloors were likely the cradle of eukaryotic life.

Early complex life clung to oxygenated seafloors for hundreds of millions of years

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Protecting Ocean Species

Signed and Sealed

Dissecting Paleoclimate Change

A Fine Kettle of Fish

A Sticky Breakthrough

Craig Hawker Named AAAS Fellow

Presidential Recognition

An Easy Pill to Swallow

Ms. Clean

A Helping Hand

Accounting for Taste

A Bigger Bang at CERN
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