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Scientists have discovered a new marine mammal species, Ontocetus posti, which lived 2.2 million years ago.
The study suggests that although aliens might live on a world similar to Earth, it would not be as green as ours. Aliens may have various colors because they can be entirely different.
At Charite University, scientists have found one of the world's smallest fish that can make a sound as loud as a gunshot in Berlin. The 12-mm transparent fish makes sounds that are louder than 140 decibels.