Flowers regenerated from 30,000-year-old frozen fruits, buried by ancient squirrels
A little outside of the typical purview of this blog, but I just needed to share this amazing feat of archaeobotany.

These regenerated plants, rising like wintry Phoenixes from the Russian ice, are still viable. They produce their own seeds and, after a 30,000-year hiatus, can continue their family line.
The plant owes its miraculous resurrection to a team of scientists led by David Gilichinsky, and an enterprising ground squirrel. Back in the Upper Pleistocene, the squirrel buried the plant’s fruit in the banks of the Kolyma River. They froze.
Over millennia, the squirrel’s burrow fossilised and was buried under increasing layers of ice. The plants within were kept at a nippy -7 degrees Celsius, surrounded by permanently frozen soil and the petrifying bones of mammoths and woolly rhinos. They never thawed. They weren’t disturbed. By the time they were found and defrosted by scientists, they had been buried to a depth of 38 metres, and frozen for around 31,800 years. 
Svetlana Yashina from the Russian Academy of Sciences grew the plants from immature fruits recovered from the burrow. She extracted their placentas – the structure that the seeds attach to – and bathed them in a brew of sugars, vitamins and growth factors. From these tissues, roots and shoots emerged.
Yashina potted the plants and two years later, they developed flowers. She fertilised the ancient flowers with each other’s pollen, and in a few months, they had produced their own seeds and fruits, all viable. The frozen plants, blooming again after millennia in the freezer, seeded a new generation.

Flowers regenerated from 30,000-year-old frozen fruits, buried by ancient squirrels

A little outside of the typical purview of this blog, but I just needed to share this amazing feat of archaeobotany.

These regenerated plants, rising like wintry Phoenixes from the Russian ice, are still viable. They produce their own seeds and, after a 30,000-year hiatus, can continue their family line.

The plant owes its miraculous resurrection to a team of scientists led by David Gilichinsky, and an enterprising ground squirrel. Back in the Upper Pleistocene, the squirrel buried the plant’s fruit in the banks of the Kolyma River. They froze.

Over millennia, the squirrel’s burrow fossilised and was buried under increasing layers of ice. The plants within were kept at a nippy -7 degrees Celsius, surrounded by permanently frozen soil and the petrifying bones of mammoths and woolly rhinos. They never thawed. They weren’t disturbed. By the time they were found and defrosted by scientists, they had been buried to a depth of 38 metres, and frozen for around 31,800 years. 

Svetlana Yashina from the Russian Academy of Sciences grew the plants from immature fruits recovered from the burrow. She extracted their placentas – the structure that the seeds attach to – and bathed them in a brew of sugars, vitamins and growth factors. From these tissues, roots and shoots emerged.

Yashina potted the plants and two years later, they developed flowers. She fertilised the ancient flowers with each other’s pollen, and in a few months, they had produced their own seeds and fruits, all viable. The frozen plants, blooming again after millennia in the freezer, seeded a new generation.

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    prehistoric plants?!
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