Dead Sea surface shrinkage Jordan River diversion

The Dead Sea’s surface has shrunk

About 33%

The Dead Sea’s surface had shrunk about 33% since the 1960s. Water diversion from the Jordan River has helped drive the retreat. By 2021, the river’s annual inflow was estimated at under 100 million cubic metres, compared with former flows of 1.2–1.3 billion.

Evaporation can chill below room temperature

7°F in a 65°F room

In Benjamin Franklin’s experiments with wet ether, a thermometer cooled to 7°F while the room remained at 65°F. The result showed that evaporation can cool an object far below the temperature of the surrounding air.

Morocco has America's oldest unbroken friendship treaty

Morocco recognized the fledgling United States as independent in 1777. The two countries signed their Treaty of Friendship in 1786, and it remains the United States’ oldest unbroken friendship treaty.

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Dead Sea surface shrinkage Jordan River diversion

The Dead Sea’s surface has shrunk

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