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Analysis provides day-by-day insight into prehistoric plankton’s capacity for change

Scientists at the University of Southampton have developed a new way of analyzing fossils, allowing them to see how creatures from millions of years ago were shaped by their environment on a day-to-day basis for the first time.

The research, published in Proceedings of the National Academy of Sciences, could improve our understanding of how character traits driven by shaped evolutionary history and life on Earth.

It could help scientists to understand how much of a species’ evolutionary journey is down to “nature vs. nurture.”

Southern Ocean saltier, hotter and losing ice fast as decades-long trend unexpectedly reverses

Researchers have discovered a dramatic and unexpected shift in the Southern Ocean, with surface water salinity rising and sea ice in steep decline.

Since 2015, Antarctica has lost sea ice equal to the size of Greenland—the largest environmental shift seen anywhere on Earth in the last decades. The Southern Ocean is also getting saltier, and this unexpected change is making the problem worse.

For decades, the ocean’s surface freshened (becoming less salty), helping sea ice grow. Now, scientists say that trend has sharply reversed.

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