According to some predictions earlier in this century, science should by now have eradicated all major illnesses, provided abundant food for all, stabilized and improved the environment, and ushered in an era of peace. But what has really happened?
लेकिन दूसरे पड़ोसों के बारे में सोचिए, आपके देश के दूसरे भागों के बारे में, दूसरे देशों के बारे में ।