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Chimera cats happen because their cells contain two types of DNA, which is caused

Chimera cats happen because their cells contain two types of DNA, which is caused by two embryos fusing together.

u_novajhv

40 years ago rescued orangutans learnt to use soap by watching locals. This behaviour

40 years ago rescued orangutans learnt to use soap by watching locals. This behaviour has now spread to wild orangutans.

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