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Create healthy mice from sperm stored in space for nearly 6...

A new study shows that rat sperm that was freeze-dried and stored on the International Space Station (ISS) for nearly six years did not...

Strange cup of wine ‘can’t finish’ in the ancient tomb: The...

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Poet Li Bai once mentioned the cup of wine that never runs dry. The cup was eventually found in an ancient tomb in Nanjing,...

Unlock sealed letters over 300 years old

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Before envelopes became popular in the 1930s, most letters in the world were sent using letter locks - a method of folding letters so...