22 min
How to kill a gram Today, Explained
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- Daily News
Today, a new definition of the kilogram officially takes effect. But it's just one piece in the massively complicated history of weight.
Learn more about your ad choices. Visit podcastchoices.com/adchoices
Today, a new definition of the kilogram officially takes effect. But it's just one piece in the massively complicated history of weight.
Learn more about your ad choices. Visit podcastchoices.com/adchoices
22 min