# Browse the lectures

35,551 courses and talks.

- [Can you solve the fortress riddle?](https://invisiblenetwork.ai/learn/ted/henri_picciotto_can_you_solve_the_fortress_riddle): Henri Picciotto · TED
- [Can a robot pass a university entrance exam?](https://invisiblenetwork.ai/learn/ted/noriko_arai_can_a_robot_pass_a_university_entrance_exam): Noriko Arai · TED
- [When will the next ice age happen?](https://invisiblenetwork.ai/learn/ted/lorraine_lisiecki_when_will_the_next_ice_age_happen): Lorraine Lisiecki · TED
- [I leapt from the stratosphere. Here's how I did it](https://invisiblenetwork.ai/learn/ted/alan_eustace_i_leapt_from_the_stratosphere_here_s_how_i_did_it): Alan Eustace · TED
- [Discover the physical side of the internet](https://invisiblenetwork.ai/learn/ted/andrew_blum_discover_the_physical_side_of_the_internet): Andrew Blum · TED
- [The global learning crisis -- and what to do about it](https://invisiblenetwork.ai/learn/ted/amel_karboul_the_global_learning_crisis_and_what_to_do_about_it): Amel Karboul · TED
- [How many ways can you arrange a deck of cards?](https://invisiblenetwork.ai/learn/ted/yannay_khaikin_how_many_ways_can_you_arrange_a_deck_of_cards): Yannay Khaikin · TED
- [How early life experience is written into DNA](https://invisiblenetwork.ai/learn/ted/moshe_szyf_how_early_life_experience_is_written_into_dna): Moshe Szyf · TED
- [The radical possibilities of man-made DNA](https://invisiblenetwork.ai/learn/ted/floyd_e_romesberg_the_radical_possibilities_of_man_made_dna): Floyd E. Romesberg · TED
- [Can we call it a "world map" if it's missing a billion people?](https://invisiblenetwork.ai/learn/ted/rebecca_firth_can_we_call_it_a_world_map_if_it_s_missing_a_billion_people): Rebecca Firth · TED
- [How to get everyone to care about a green economy](https://invisiblenetwork.ai/learn/ted/angela_francis_how_to_get_everyone_to_care_about_a_green_economy): Angela Francis · TED
- [I let algorithms randomize my life for two years](https://invisiblenetwork.ai/learn/ted/max_hawkins_i_let_algorithms_randomize_my_life_for_two_years): Max Hawkins · TED
- [Kids, take charge](https://invisiblenetwork.ai/learn/ted/kiran_sethi_kids_take_charge): Kiran Sethi · TED
- [Use your voice, vote and wallet for climate action](https://invisiblenetwork.ai/learn/ted/halla_tomasdottir_use_your_voice_vote_and_wallet_for_climate_action): Halla Tómasdóttir · TED
- [Drawings that show the beauty and fragility of Earth](https://invisiblenetwork.ai/learn/ted/zaria_forman_drawings_that_show_the_beauty_and_fragility_of_earth): Zaria Forman · TED
- [Sugar: Hiding in plain sight](https://invisiblenetwork.ai/learn/ted/robert_lustig_sugar_hiding_in_plain_sight): Robert Lustig · TED
- [Technology that knows what you're feeling](https://invisiblenetwork.ai/learn/ted/poppy_crum_technology_that_knows_what_you_re_feeling): Poppy Crum · TED
- [How to fix the "bugs" in the net-zero code](https://invisiblenetwork.ai/learn/ted/lucas_joppa_how_to_fix_the_bugs_in_the_net_zero_code): Lucas Joppa · TED
- [How to spot fake AI photos](https://invisiblenetwork.ai/learn/ted/hany_farid_how_to_spot_fake_ai_photos): Hany Farid · TED
- [Why entrepreneurship flourishes in the countryside](https://invisiblenetwork.ai/learn/ted/xiaowei_r_wang_why_entrepreneurship_flourishes_in_the_countryside): Xiaowei R. Wang · TED
- [Do you really know why you do what you do?](https://invisiblenetwork.ai/learn/ted/petter_johansson_do_you_really_know_why_you_do_what_you_do): Petter Johansson · TED
- [When will the next mass extinction occur?](https://invisiblenetwork.ai/learn/ted/matthew_borths_michael_d_emic_adam_pritchard_when_will_the_next_mass_extinction_occur): Matthew Borths, Michael D'Emic, Adam Pritchard · TED
- [Climate change is becoming a problem you can taste](https://invisiblenetwork.ai/learn/ted/amanda_little_climate_change_is_becoming_a_problem_you_can_taste): Amanda Little · TED
- [The search for microscopic aliens](https://invisiblenetwork.ai/learn/ted/sarah_rugheimer_the_search_for_microscopic_aliens): Sarah Rugheimer · TED
- [Is civility a sham?](https://invisiblenetwork.ai/learn/ted/teresa_bejan_is_civility_a_sham): Teresa Bejan · TED
- [Is there a real you?](https://invisiblenetwork.ai/learn/ted/julian_baggini_is_there_a_real_you): Julian Baggini · TED
- [Racism thrives on silence -- speak up!](https://invisiblenetwork.ai/learn/ted/dexter_dias_racism_thrives_on_silence_speak_up): Dexter Dias · TED
- [What it takes to be racially literate](https://invisiblenetwork.ai/learn/ted/priya_vulchi_and_winona_guo_what_it_takes_to_be_racially_literate): Priya Vulchi and Winona Guo · TED
- [The surprising psychology behind your urge to break the rules](https://invisiblenetwork.ai/learn/ted/paul_bloom_the_surprising_psychology_behind_your_urge_to_break_the_rules): Paul Bloom · TED
- [Your phone company is watching](https://invisiblenetwork.ai/learn/ted/malte_spitz_your_phone_company_is_watching): Malte Spitz · TED
- [A memory scientist's advice on reporting harassment and discrimination](https://invisiblenetwork.ai/learn/ted/julia_shaw_a_memory_scientist_s_advice_on_reporting_harassment_and_discrimination): Julia Shaw · TED
- [How do wind turbines work?](https://invisiblenetwork.ai/learn/ted/rebecca_j_barthelmie_and_sara_c_pryor_how_do_wind_turbines_work): Rebecca J. Barthelmie and Sara C. Pryor · TED
- [A brief history of melancholy](https://invisiblenetwork.ai/learn/ted/courtney_stephens_a_brief_history_of_melancholy): Courtney Stephens · TED
- [Super speed, magnetic levitation and the vision behind the hyperloop](https://invisiblenetwork.ai/learn/ted/josh_giegel_super_speed_magnetic_levitation_and_the_vision_behind_the_hyperloop): Josh Giegel · TED
- [Smart failure for a fast-changing world](https://invisiblenetwork.ai/learn/ted/eddie_obeng_smart_failure_for_a_fast_changing_world): Eddie Obeng · TED
- [Africa's great carbon valley -- and how to end energy poverty](https://invisiblenetwork.ai/learn/ted/james_irungu_mwangi_africa_s_great_carbon_valley_and_how_to_end_energy_poverty): James Irungu Mwangi · TED
- [5 needs that any COVID-19 response should meet](https://invisiblenetwork.ai/learn/ted/kwame_owusu_kesse_5_needs_that_any_covid_19_response_should_meet): Kwame Owusu-Kesse · TED
- [How to protect your mental well-being online -- from a Gen-Zer](https://invisiblenetwork.ai/learn/ted/peachy_liv_how_to_protect_your_mental_well_being_online_from_a_gen_zer): Peachy Liv · TED
- [How to foster true diversity and inclusion at work (and in your community)](https://invisiblenetwork.ai/learn/ted/rosalind_g_brewer_how_to_foster_true_diversity_and_inclusion_at_work_and_in_your_community): Rosalind G. Brewer · TED
- [How to be fearless in the face of authoritarianism](https://invisiblenetwork.ai/learn/ted/sviatlana_tsikhanouskaya_how_to_be_fearless_in_the_face_of_authoritarianism): Sviatlana Tsikhanouskaya · TED
- [A Saudi woman who dared to drive](https://invisiblenetwork.ai/learn/ted/manal_al_sharif_a_saudi_woman_who_dared_to_drive): Manal al-Sharif · TED
- [Where on Earth will people live in the future?](https://invisiblenetwork.ai/learn/ted/parag_khanna_where_on_earth_will_people_live_in_the_future): Parag Khanna · TED
- [How to use data to make a hit TV show](https://invisiblenetwork.ai/learn/ted/sebastian_wernicke_how_to_use_data_to_make_a_hit_tv_show): Sebastian Wernicke · TED
- [A future with fewer cars](https://invisiblenetwork.ai/learn/ted/freeman_h_shen_a_future_with_fewer_cars): Freeman H. Shen · TED
- [The lost art of democratic debate](https://invisiblenetwork.ai/learn/ted/michael_sandel_the_lost_art_of_democratic_debate): Michael Sandel · TED
- [Does photographing a moment steal the experience from you?](https://invisiblenetwork.ai/learn/ted/erin_sullivan_does_photographing_a_moment_steal_the_experience_from_you): Erin Sullivan · TED
- [The hidden history found in your teeth](https://invisiblenetwork.ai/learn/ted/carolyn_freiwald_the_hidden_history_found_in_your_teeth): Carolyn Freiwald · TED
- [How we see color](https://invisiblenetwork.ai/learn/ted/colm_kelleher_how_we_see_color): Colm Kelleher · TED

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