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The bdelloid rotifer (luân trùng bdelloid) is awake – and we're going to need to buy some more birthday candles.

For the past 24,000 years, the multicellular microorganism (vi sinh vật đa bào) had been snoozing (ngủ yên) in Siberian permafrost (băng vĩnh cửu), having become frozen in the Arctic (Bắc cực) ice right around the same time in history that humans first ventured (đặt chân) into North America during the Upper Paleolithic era (thời kì đồ đá cũ), otherwise known as the Late Stone Age (thời kì đồ đá muộn).

A bdelloid rotifer is a freshwater creature that can be found around the world, measuring too small to see with the naked eye at 150 and 700 μm, the unit for micrometers which are used to measure microns. For comparison, the thickness of paper measures 70 to 180 μm.

Not only did the animal come back to life from its frozen nap, but it also successfully cloned itself multiple times (tự nhân bản thành công nhiều lần) with an asexual reproduction (hình thức sinh sản vô tính) form known as parthenogenesis (sinh sản đơn tính).

nguồn: accuweather,