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Dec 2025
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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

Ancient DNA solves mystery over origin of medieval Black Death

"Our finding puts centuries-old debates to rest"

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