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Scientists say subtle differences in the colour of seawater will enable them to count tiny - but critically important - Antarctic marine creatures, from Space.

Two tiny, remote Antarctic outposts populated by penguins and seals are among the obscure places targeted by the Trump administration's new tariffs.

Few have outside of Antarctic researchers and seals.

A group of scientists due to work together for months at a remote Antarctic research station has been rocked after a member of the team was accused of assault.

"It's like dropping a nutrient bomb into the middle of an empty desert," says Prof Nadine Johnston from British Antarctic Survey.