Joined 4 years ago from New Delhi, india
That drug addiction is harmful biologically and unacceptable socially, is something we all already know. What we fail to know is the what, how and why of it. Read on to understand....
4 years ago
Man is the most successful and dominating animal on this planet and has a fascinating story of its origin. This hubs talks about the important stages of human evolution and and their characteristics.
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