विज्ञान प्रयोग : श्याम सुंदर शर्मा द्वारा द्वारा हिंदी पुस्तक | Vigyaan Prayog : by Shyam Sunder Sharma Hindi Book
Vigyaan Prayog PDF Pustak in Hindi Ka Kuch Ansh : Manav Prathvi par aaj lagbhag bees lakh sal pahale tha. Prathvi ke any jeev-jantu kee bhanti usaka bhee vikas hua tha. Prarambh mein manushy sharirik roop se vartaman manushy se bahut bhinn tha ; par us samay bhee uska mastishk bahut bada tha aur usamen apane aaspas kee vastuon evan ghatanaon ko dhyanapurvak dekhane, unake bare mein sochane aur usake aadhar par nishkarsh nikalane ka gun tha…..
Short Passage of Vigyaan Prayog Hindi PDF Book : Man was on the earth today about two million years ago. Like other creatures of the earth, it too had developed. In the beginning man was physically very different from the present man; But even at that time his brain was very big and he had the quality to observe the objects and events around him carefully, think about them and draw conclusions based on them……….
