Science in Simple Bangla

I liked these vdo from Dr. Abed chaudhury, will be helpful to make understand the science we do to mass ppl.

http://www.youtube.com/watch?v=urrTsdnf6Vg

http://www.youtube.com/watch?v=nfFmc_E-1L8

http://www.youtube.com/watch?v=3_z3aoYtEAs