Scientists have successfully revived microscopic animals called bdelloid rotifers after they were frozen in Siberian permafrost for 24,000 years—and they were still able to reproduce!

9 0

8 0

21 4

20 2

11 0

17 1

4 0

7 0

8 0

6 0

2 0

13 4

4 0

20 0

8 0

8 0