Climate cycles create California precipitation uncertainty

Over the past 40 years, winters in California have become drier. This is a problem for the region's agricultural operations, as farmers rely on winter precipitation to irrigate their crops. Determining if California will ...

Ten mysteries of Venus

The surface of Venus is completely inhospitable for life: barren, dry, crushed under an atmosphere about 90 times the pressure of Earth's and roasted by temperatures two times hotter than an oven. But was it always that way? ...

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