Jokes 43 A GUIDEBOOK TO MECHANISM IN ORGANIC CHEMISTRY 14 History 9 Humour 8 Philosophy 8 English poetry 5 Literature 5 Malayalam 5 Self-realization 5 Biotechnology 4 Computer networks 4 Culture 4 Differential equations, Partial 4 Foreign trade regulation 4 Internet 4 Interpersonal relations 4 Law and legislation 4 Mass media 4 Mathematics 4 Microbiology 4 Navier-Stokes equations 4 Reaction rates 4 Research 4 Wit and humor 4 American literature 3 Arts & Entertainment 3 Chemistry 3 Computer security 3 Cyberbullying 3 English 3