Invasion of the Hybrids
Elie Dolgin • November 8, 2008
The sticklebacks of coastal B.C. are ideal for studying natural selection in action — but now crayfish and crossbreeding are threatening to eliminate evolutionary scientists’ favorite fish.
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Pixels meet paint, as a digital “mask” conceals damage on a 15th-century painting.
Options are emerging for the tens of millions of people who stop taking GLP-1 drugs because of side effects, cost or availability.