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Swiss Glaciers Vanished by Nearly a Fifth in Recent Years, Scientists Say

المصدر: NYT > World News · نُشر

Swiss Glaciers Vanished by Nearly a Fifth in Recent Years, Scientists Say
المصدر: NYT > World News

One researcher called it a “desperately needed warning sign” that countries need to tackle human-driven climate change.

One researcher called it a “desperately needed warning sign” that countries need to tackle human-driven climate change.

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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.

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