Video: Why isn't weed killer working anymore?

Farmers used to worry about weeds. Then, herbicides solved that problem. At least for a while. In 1997, there were 432 new patents for herbicides; by 2009, there were only 65.

Remote learning likely widened racial, economic achievement gap

A new report on pandemic learning loss found that high-poverty schools both spent more weeks in remote instruction during 2020–21 and suffered large losses in achievement when they did so. Districts that remained largely ...

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