A great irony of pearl history is that the least expensive cultured pearl product in the market today rivals the quality of the most expensive natural pearls ever found. The price-value anomaly is ...

Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid. The linear ...

String of pearls isn’t fussy—but there’s one guaranteed way to kill it: Overwatering. But if you give it bright, indirect light and water correctly, this little charmer will keep going ...