3. .

15. http://www.learnoutloud.com/content/blog/archives/2011/11/100_best_ted_talks.html
http://www.saidaonline.com/en/news.php?go=fullnews&newsid=32566
http://www.genie8.com/technology-increases-productivity/
http://ssheltonimages.com/secret_lives_happy-1.html
http://www.whitbystationgallery.com/What-s-On/Events/The-Art-of-Laughter.aspx
http://www.andreasjacobs.com/page0/files/2cc4e323acbdf6656fda5490654d110d-1.html
http://jokesprank.com/blog/pranks/april-fool-prank-10-hilarious-pranks-pull-friends.html
http://spatulacollective.com/the-foundational-experiment/
http://www.witf.org/on-air/2012/10/creating-happiness.php
http://thelanguagelearningblog.com/25-tips-for-language-learning/
http://www.powercompanyclimbing.com/2011/01/simplicity-fitting-pieces-together.html
http://www.educationrevolution.org/blog/sir-ken-robinson-to-keynote-2012-aero-conference/
http://www.ted.com/talks/shawn_achor_the_happy_secret_to_better_work.html
http://www.ted.com/talks/ken_robinson_says_schools_kill_creativity.html
http://www.ted.com/talks/ken_robinson_changing_education_paradigms.html