News tagged with multicellularity

Conceptualizing cancer cells as ancient 'toolkit'

(PhysOrg.com) -- Despite decades of research and billions of dollars, cancer remains a major killer, with an uncanny ability to evade both the body's defenses and medical intervention. Now an Arizona State ...

dateFeb 07, 2011 in Cancer
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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 ...

dateAug 02, 2010 in Earth Sciences
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Fossils on the Edge of Forever

Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.

dateDec 14, 2009 in Earth Sciences
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How Volvox got its groove

Some algae have been hanging together rather than going it alone much longer than previously thought, according to new research.

dateFeb 19, 2009 in
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