This week we focus on timeâthe measurement that orders our lives. Catalysts are something chemists use to speed up time; in other words, to make chemical reactions work faster. Ruthenium is an element that has recently become an important catalyst in organic chemistry. This week Chemistry in Your Cupboard explores the wonders of the pressure cooker. And finally, producer Eric Mack visits the National Institute of Standards and Technology in Boulder, Colorado, to check out the worldâs most ac
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