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Eastern Spain braces for torrential rain and flooding
国际新闻

Eastern Spain braces for torrential rain and flooding

Up to 300mm of rain could fall in places, while extreme downpours bring landslides and deaths in Nepal Torrential rain and potentially damaging flooding are forecast in eastern Spain over the coming days, as cold upper air moves over the warm, humid surface air of the Mediterrane

World news | The Guardian ·

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科学与环境

Sharks can hear nearly 250 feet away and pinpoint the source

Wild blacktip sharks can detect low-frequency sounds from nearly 250 feet away, according to experiments conducted off the Florida coast. The sharks not only heard the sounds but sharply changed direction away from them, suggesting they could pinpoint where they were coming from.

All Top News -- ScienceDaily ·