Squirrel curling up to protect itself from freezing daytime temperatures

A picture taken on January 31, 2012 shows a squirrel curling up to protect itself from freezing daytime temperatures which have dropped to minus 15 degrees Celsius in Warsaw’s central Lazienki Park. Fruit seeds stored away by squirrels more than 30,000 years ago and found in Siberian permafrost have been regenerated into full flowering plants by scientists in Russia, a new study has revealed on February 20, 2012. The seeds of the herbaceous Silene stenophylla are far and away the oldest plant tissue to have been brought back to life, according to lead researchers Svetlana Yashina and David Gilichinsky of the Russian Academy of Sciences. The latest findings could be a landmark in research of ancient biological material and the race to potentially revive other species, including some that are extinct.

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