Frogs can regrow amputated limbs after being treated with mix of drugs, new research finds

An African clawed-frog (Xenopus laevis) is shown here. It was not part of the research. (Adobe Stock via CNN)
An African clawed-frog (Xenopus laevis) is shown here. It was not part of the research. (Adobe Stock via CNN)

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NATO chief hails 'historic moment' as Finland, Sweden apply

NATO Secretary-General Jens Stoltenberg said Wednesday that the military alliance stands ready to seize a historic moment and move quickly on allowing Finland and Sweden to join its ranks, after the two countries submitted their membership requests.

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