One of the planet’s biggest cities is sinking so rapidly it’s visible from space

New imagery from a powerful NASA radar system reveals parts of Mexico city are sinking at rates of more than 1/2 inch a month.

Also, a roller coaster ride of temperature extremes in the northeast and and midwest punctuated by some afternoons worthy of shorts, but also mornings with frosts and freezes, will continue through mid-May before a warmer pattern takes hold.

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