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Vaccine Menstrual Length, Lonely in a Crowd, Aussie ‘Roos

Curiosity Weekly

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The Wallace Line

Australia is full of animals that originated in Asia, like guwanas and cucobara. But you can search Asia up and down and you won't come across a single kangaroo or koala. Researchers looked at a massive set of data of some 20,000 species of animals to try to detect a pattern. It turns out Australia was much further south back then.

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