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16
Dec 2025
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DNA from letter sent to local newspaper helps solve 34-year-old cold case murder

The killer has been identified using breakthrough DNA genealogy technology

Synthetic embryos grown from stem cells don’t need sperm or eggs

The tech could eventually be used to grow organs for transplant

Some of us are part-Neanderthal and it affects how medicines work on you

The gene variants are carried by 20% of present-day Europeans

Mice cloned from freeze-dried cells could improve species conservation

Currently, facilities referred to as “frozen zoos” are used to store samples of animal sperm, eggs and other tissues at cryogenic temperatures

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