Scientists have long wondered about how the potato's genetic lineage came to be. Now they know: The plants are a cross between tomatoes and a plant known as Etuberosum.
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There have been 16 earthquakes reported near El Centro and Imperial since midnight. -
A forceful winter storm that saturated the San Diego region this week began to weaken Friday following five days of heavy rain and accumulating mountain snow. -
The Biden administration is unveiling new, stricter pollution standards for American cities such as Salt Lake City, Utah, which have long struggled with chronically dirty air. -
California would ban all plastic shopping bags in 2026 under a new bill in the state Legislature. -
Expanding the capacity of San Diego County's freeway network would increase driving — and could make it impossible to achieve state and local climate goals. -
A winter storm warning is in effect until noon Thursday, with between 6 to 10 inches of snow expected at elevations above 4,000 feet. -
California sea otter populations have rebounded in recent decades. New research finds that by feasting on shore crabs, these otters are helping to protect their coastal marsh habitat against erosion. -
Julian Union Elementary School District and Mountain Empire Unified School District are some districts closed Wednesday. -
The new regulations could save thousands of lives from deadly air pollution, according to the U.S. Environmental Protection Agency's calculations. -
Octopuses are seen as smart and solitary. A seafood company plans to farm them commercially. Octopus garden? Sure. Octopus farm? No way, say the animal's advocates.
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