# Browse the lectures 35,551 courses and talks. - [What happens if you cut down all of a city's trees?](https://invisiblenetwork.ai/learn/ted/stefan_al_what_happens_if_you_cut_down_all_of_a_city_s_trees): Stefan Al · TED - [In praise of slowness](https://invisiblenetwork.ai/learn/ted/carl_honore_in_praise_of_slowness): Carl Honoré · TED - [Why you should talk to strangers](https://invisiblenetwork.ai/learn/ted/kio_stark_why_you_should_talk_to_strangers): Kio Stark · TED - [The Greek myth of Talos, the first robot](https://invisiblenetwork.ai/learn/ted/adrienne_mayor_the_greek_myth_of_talos_the_first_robot): Adrienne Mayor · TED - [Why working from home is good for business](https://invisiblenetwork.ai/learn/ted/matt_mullenweg_why_working_from_home_is_good_for_business): Matt Mullenweg · TED - [And for my next trick, a robot](https://invisiblenetwork.ai/learn/ted/marco_tempest_and_for_my_next_trick_a_robot): Marco Tempest · TED - [The magic ingredient that brings Pixar movies to life](https://invisiblenetwork.ai/learn/ted/danielle_feinberg_the_magic_ingredient_that_brings_pixar_movies_to_life): Danielle Feinberg · TED - [Can you solve the Trojan War riddle?](https://invisiblenetwork.ai/learn/ted/dennis_shasha_can_you_solve_the_trojan_war_riddle): Dennis Shasha · TED - ["You Have the Rite"](https://invisiblenetwork.ai/learn/ted/marc_bamuthi_joseph_you_have_the_rite): Marc Bamuthi Joseph · TED - [Watch me play ... the audience!](https://invisiblenetwork.ai/learn/ted/bobby_mcferrin_watch_me_play_the_audience): Bobby McFerrin · TED - [Where joy hides and how to find it](https://invisiblenetwork.ai/learn/ted/ingrid_fetell_lee_where_joy_hides_and_how_to_find_it): Ingrid Fetell Lee · TED - [Our natural sleep cycle is nothing like what we do now](https://invisiblenetwork.ai/learn/ted/jessa_gamble_our_natural_sleep_cycle_is_nothing_like_what_we_do_now): Jessa Gamble · TED - [Religions and babies](https://invisiblenetwork.ai/learn/ted/hans_rosling_religions_and_babies): Hans Rosling · TED - [Why should you read "Don Quixote"?](https://invisiblenetwork.ai/learn/ted/ilan_stavans_why_should_you_read_don_quixote): Ilan Stavans · TED - [Battling bad science](https://invisiblenetwork.ai/learn/ted/ben_goldacre_battling_bad_science): Ben Goldacre · TED - [An 11-year-old's magical violin](https://invisiblenetwork.ai/learn/ted/sirena_huang_an_11_year_old_s_magical_violin): Sirena Huang · TED - [How Amazon, Apple, Facebook and Google manipulate our emotions](https://invisiblenetwork.ai/learn/ted/scott_galloway_how_amazon_apple_facebook_and_google_manipulate_our_emotions): Scott Galloway · TED - [Google's driverless car](https://invisiblenetwork.ai/learn/ted/sebastian_thrun_google_s_driverless_car): Sebastian Thrun · TED - [Is there any truth to the King Arthur legends?](https://invisiblenetwork.ai/learn/ted/alan_lupack_is_there_any_truth_to_the_king_arthur_legends): Alan Lupack · TED - [How smart are dolphins?](https://invisiblenetwork.ai/learn/ted/lori_marino_how_smart_are_dolphins): Lori Marino · TED - [Would you opt for a life with no pain?](https://invisiblenetwork.ai/learn/ted/bethany_rickwald_and_hayley_levitt_would_you_opt_for_a_life_with_no_pain): Bethany Rickwald and Hayley Levitt · TED - [A TED speaker's worst nightmare](https://invisiblenetwork.ai/learn/ted/improv_everywhere_a_ted_speaker_s_worst_nightmare): Improv Everywhere · TED - [The journey to Pluto, the farthest world ever explored](https://invisiblenetwork.ai/learn/ted/alan_stern_the_journey_to_pluto_the_farthest_world_ever_explored): Alan Stern · TED - [You have no idea where camels really come from](https://invisiblenetwork.ai/learn/ted/latif_nasser_you_have_no_idea_where_camels_really_come_from): Latif Nasser · TED - [Should we eat bugs?](https://invisiblenetwork.ai/learn/ted/emma_bryce_should_we_eat_bugs): Emma Bryce · TED - [What causes opioid addiction, and why is it so tough to combat?](https://invisiblenetwork.ai/learn/ted/mike_davis_what_causes_opioid_addiction_and_why_is_it_so_tough_to_combat): Mike Davis · TED - [The call to learn](https://invisiblenetwork.ai/learn/ted/clifford_stoll_the_call_to_learn): Clifford Stoll · TED - [Plato's allegory of the ring](https://invisiblenetwork.ai/learn/ted/alex_gendler_plato_s_allegory_of_the_ring): Alex Gendler · TED - [Why you should get paid for your data](https://invisiblenetwork.ai/learn/ted/jennifer_zhu_scott_why_you_should_get_paid_for_your_data): Jennifer Zhu Scott · TED - [How to start a movement](https://invisiblenetwork.ai/learn/ted/derek_sivers_how_to_start_a_movement): Derek Sivers · TED - [Myths and misconceptions about evolution](https://invisiblenetwork.ai/learn/ted/alex_gendler_myths_and_misconceptions_about_evolution): Alex Gendler · TED - [How to transform apocalypse fatigue into action on global warming](https://invisiblenetwork.ai/learn/ted/per_espen_stoknes_how_to_transform_apocalypse_fatigue_into_action_on_global_warming): Per Espen Stoknes · TED - [Why do we hiccup?](https://invisiblenetwork.ai/learn/ted/john_cameron_why_do_we_hiccup): John Cameron · TED - [How to make your writing suspenseful](https://invisiblenetwork.ai/learn/ted/victoria_smith_how_to_make_your_writing_suspenseful): Victoria Smith · TED - [What toys have kids played with throughout history?](https://invisiblenetwork.ai/learn/ted/ted_ed_what_toys_have_kids_played_with_throughout_history): TED-Ed · TED - [Can you solve the sorting hat riddle?](https://invisiblenetwork.ai/learn/ted/dan_katz_and_alex_rosenthal_can_you_solve_the_sorting_hat_riddle): Dan Katz and Alex Rosenthal · TED - [5 steps to designing the life you want](https://invisiblenetwork.ai/learn/ted/bill_burnett_5_steps_to_designing_the_life_you_want): Bill Burnett · TED - [Licking bees and pulping trees: The reign of a wasp queen](https://invisiblenetwork.ai/learn/ted/kenny_coogan_licking_bees_and_pulping_trees_the_reign_of_a_wasp_queen): Kenny Coogan · TED - [What's your happiness score?](https://invisiblenetwork.ai/learn/ted/dominic_price_what_s_your_happiness_score): Dominic Price · TED - [3 lessons of revolutionary love in a time of rage](https://invisiblenetwork.ai/learn/ted/valarie_kaur_3_lessons_of_revolutionary_love_in_a_time_of_rage): Valarie Kaur · TED - ["A Bird Made of Birds"](https://invisiblenetwork.ai/learn/ted/sarah_kay_a_bird_made_of_birds): Sarah Kay · TED - [9 myths about psychology, debunked](https://invisiblenetwork.ai/learn/ted/ben_ambridge_9_myths_about_psychology_debunked): Ben Ambridge · TED - [What emotions look like in a dog's brain](https://invisiblenetwork.ai/learn/ted/gregory_berns_what_emotions_look_like_in_a_dog_s_brain): Gregory Berns · TED - [Inside your computer](https://invisiblenetwork.ai/learn/ted/bettina_bair_inside_your_computer): Bettina Bair · TED - [2 questions to uncover your passion -- and turn it into a career](https://invisiblenetwork.ai/learn/ted/noeline_kirabo_2_questions_to_uncover_your_passion_and_turn_it_into_a_career): Noeline Kirabo · TED - [What does the liver do?](https://invisiblenetwork.ai/learn/ted/emma_bryce_what_does_the_liver_do): Emma Bryce · TED - [My invention that made peace with lions](https://invisiblenetwork.ai/learn/ted/richard_turere_my_invention_that_made_peace_with_lions): Richard Turere · TED - [Can you solve the riddle and escape Hades?](https://invisiblenetwork.ai/learn/ted/dan_finkel_can_you_solve_the_riddle_and_escape_hades): Dan Finkel · TED [Next page](https://invisiblenetwork.ai/learn/browse?page=21)