TED: Robert Waldinger: What makes a good life? Lessons from the longest study on happiness

http://www.ted.com/talks/robert_waldinger_what_makes_a_good_life_lessons_from_the_longest_study_on_happiness

TED: Jane Fonda and Lily Tomlin: A hilarious celebration of lifelong female friendship

http://www.ted.com/talks/jane_fonda_and_lily_tomlin_a_hilarious_celebration_of_lifelong_female_friendship

TED: Alison Killing: What happens when a city runs out of room for its dead

http://www.ted.com/talks/alison_killing_what_happens_when_a_city_runs_out_of_room_for_its_dead

TED: Lucianne Walkowicz: Let's not use Mars as a backup planet

http://www.ted.com/talks/lucianne_walkowicz_let_s_not_use_mars_as_a_backup_planet

TED: Paul Greenberg: The four fish we're overeating and what to eat instead

http://www.ted.com/talks/paul_greenberg_the_four_fish_we_re_overeating_and_what_to_eat_instead

TED: Raymond Wang: How germs travel on planes and how we can stop them

http://www.ted.com/talks/raymond_wang_how_germs_travel_on_planes_and_how_we_can_stop_them

TED: Jedidah Isler: The untapped genius that could change science for the better

http://www.ted.com/talks/jedidah_isler_the_untapped_genius_that_could_change_science_for_the_better

TED: Guillaume Néry: The exhilarating peace of freediving

http://www.ted.com/talks/guillaume_nery_the_exhilarating_peace_of_freediving