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FILE: Stem cell scientist Jacob Hanna of Israel's Weizmann Institute of Science holds mouse 'synthetic embryos' grown in a lab. Picture: AFP

Sperm

Scientists create "synthetic embryos" without using sperm, eggs or fertilisation

By AFP

The breakthrough was hailed as a major step forward, though some experts said the result could not fully be considered to be embryos and warned of future...

  • Sperm counts in men from developed world have dropped by more than 50% in less than 40 years, researchers said. Picture: Pixabay.com.

    Scientists find world's oldest sperm in Myanmar amber

    The individual sperms were described as "giants", measuring up to 4.6 times the size of the body of the male.

    692 days ago
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