Oceanography
New discovery about hammerhead sharks stuns scientists
Scientists took DNA from eight of the nine species of hammerhead sharks and used it to look at their relationships. The results stunned them.
Family Tree
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Articles about Family Tree
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History
'World's largest family tree' connecting 27 million people reveals interesting things
Scientists have created the 'world's largest family tree' linking some 27 million people around the world, including the living and the dead.