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Toothless, dwarf dolphin, a case study in evolution

ScientistsonWednesdayunveiledanextinctspeciesoftoothless,whiskeredandobjectivelycutemini-dolphinthatpliedEarth'soceanssome30millionyearsago.Withonlyafossilizedc

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Sharks shrug shoulders at feeding study

Howdoesabambooshark,whichusessuctiontolatchontoitsprey,swallowawriggling,reluctantmeal?Withashrugofitsshoulders,accordingtoastudypublishedWednesdayinthejournalP