OUR knowledge of the past history of life upon earth, obtained from studies both of the earth's crust and of the organisms which are found inhabiting it at the present time, suggests that living ...

Also, 'nature' does not mean mere soil ... of years before animals suggests that ever since the origin of life, living organisms have confronted viruses. We think that the argument about the ...

African elephants are one of the largest animals that currently exist, and there 7 animals that are able to get bigger than them.

I was in a big city, compare to that, I enjoy the living pace here better. I've learned how to appreciate the nature because of the seasonal scenes and the rural atmospheres; I see people working ...