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Why is the sea salty?

01:40

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August 3, 2018

#justask – our Tomorrow Today viewer's question comes from Francisco Onofre in Mexico.

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DW's Top Story

Maduro ouster: US not at war with Venezuela, Rubio says

'We are at war against drug trafficking organizations, it's not a war against Venezuela,' Marco Rubio said.
PoliticsJanuary 5, 2026
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