Scientists to attempt to rear swallowtail butterflies from eggs frozen in nitrogen
PositiveWorld Affairs

Researchers are embarking on an exciting project to rear swallowtail butterflies from eggs that have been frozen in liquid nitrogen. This innovative approach, known as cryopreservation, could play a crucial role in the long-term conservation of Britain's largest native butterfly species, which is currently vulnerable to extinction. If successful, this method could pave the way for preserving other endangered species, making it a significant step forward in conservation efforts.
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