Jan 05

Why ground squirrels turn into ninjas over nothing

In a standoff with a rattlesnake, the California ground squirrel stares down its opponent. It might kick sand at the snake, whipping its fuzzy tail back and forth in a “come and get me” taunt. The snake lounges and the…

Mexico City, home to an inefficient and inconvenient water delivery system, struggles to meet the pressing demands of its 22 million residents. Some have turned to harvesting rainwater, which has its own set of limitations. Special correspondent Fred de Sam…

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