The fossil remains of <em>Dickinsonia,</em> an Ediacaran organism that's long been extinct. Scientists have long assumed these early life forms lived in the sea, but a new study argues they emerged on land.
Cartoonists have found many clever ways to depict the conventional wisdom that complex life evolved in the sea and then crawled up onto land. But a provocative new study suggests that the procession might be drawn in the wrong direction. The earliest large life forms may have appeared on land long before the oceans filled with creatures that swam and crawled and burrowed in the mud.
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Late today a federal bankruptcy judge gave the nod to a Chinese firm to buy a Massachusetts technology company. A123 Systems makes batteries for electric cars, but some in Congress are fighting to block the deal. Curt Nickisch reports from member station WBUR in Boston.