Nation Jun 13

High court rejects request to block mercury rule

WASHINGTON — The Supreme Court has rejected an appeal from 20 states seeking to block a federal rule targeting mercury pollution from taking effect while the government revises the rule to account for compliance costs.

The planet Mercury earned a new crater when NASA’s MESSENGER probe smashed into its scorched surface earlier this afternoon. The intentional crash landing ended an 11-year mission that brought us the most intimate peeks at our solar system’s smallest…

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