Scientists can extract the DNA of polar bears from just their footprint
DNA or deoxyribonucleic acid of a species plays an important role in its identity. And in the case of polar bears, scientists have discovered a new innovative technique to find out the DNA of polar bears. They can get to know about the DNA of a polar bear by its footprint on the snow. Isn't this interesting?
In 1931, a scientist decided to undertake an experiment in which he raised a monkey as if it were a person.