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65% of Antarctica’s plants and animals might disappear by the end of the century. Most at risk are the emperor penguins, with 80% of their population at risk. Disappearing sea ice and an increasing presence of humans in Antarctica since 1990 are the main causes.

 

Photo by: https://unsplash.com/photos/4CVMWrWh3xU

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The navigator fish

Scientists attached electrodes to a goldfish to understand the fish’s navigational system. They found that nerve cells that have a decreasing activity as the fish

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