Chemists have developed a catalyst that improves the sensitivity of the standard PSA test over 100-fold. The catalyst is made of palladium nanocubes coated with iridium. Say you've been diagnosed with ...
This surpassed a $2.5 million auction sale of a different ’86 Fleer Jordan autographed rookie card with the same PSA 9/10 ...
Houston Rockets forward Kevin Durant and comedian Druski will make special appearances Thursday at a card collecting event in ...
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