Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...
Paintings by the old masters are timeless works of art. Some would say they're priceless and should never be touched. Others dare to put a price on them (like the $500 million for da Vinci's "Salvator ...
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