The Price of Agar

Because of a seaweed shortage, the price of the common lab reagent agar has sharply increased, Nature News reports. The wholesale price of agar is some $35 to $45 per kilogram, about triple what it was before the shortage.

"There's not enough seaweed for everyone, so basically we are now reducing our production," says Pedro Sanchez, the deputy managing director of Industrias Roko, which processes seaweed to make agar.

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The Atlantic reports that genetic counselors are coping with an influx of patients seeking advice on their direct-to-consumer genetic test results.

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