# From TED 7,640 courses and talks. - [How to attack (and defend) a medieval castle](https://invisiblenetwork.ai/learn/ted/connor_c_wilson_how_to_attack_and_defend_a_medieval_castle): Connor C. Wilson · TED - [If trees could speak](https://invisiblenetwork.ai/learn/ted/elif_shafak_if_trees_could_speak): Elif Shafak · TED - [3 surprising ways microplastics can enter your body](https://invisiblenetwork.ai/learn/ted/ted_ed_3_surprising_ways_microplastics_can_enter_your_body): TED-Ed · TED - [What happens when your dog uses the internet](https://invisiblenetwork.ai/learn/ted/ilyena_hirskyj_douglas_what_happens_when_your_dog_uses_the_internet): Ilyena Hirskyj-Douglas · TED - [How to recapture the joy of the early internet](https://invisiblenetwork.ai/learn/ted/michael_sun_how_to_recapture_the_joy_of_the_early_internet): Michael Sun · TED - [Why was bloodletting so popular?](https://invisiblenetwork.ai/learn/ted/stephanie_honchell_smith_why_was_bloodletting_so_popular): Stephanie Honchell Smith · TED - [We’ve solved many medical mysteries. Where are the cures?](https://invisiblenetwork.ai/learn/ted/saloni_dattani_we_ve_solved_many_medical_mysteries_where_are_the_cures): Saloni Dattani · TED - [What really happened during the Attica Prison Rebellion](https://invisiblenetwork.ai/learn/ted/orisanmi_burton_what_really_happened_during_the_attica_prison_rebellion): Orisanmi Burton · TED - [The best nose in the animal kingdom](https://invisiblenetwork.ai/learn/ted/chase_ladue_and_bruce_a_schulte_the_best_nose_in_the_animal_kingdom): Chase LaDue and Bruce A. Schulte · TED - [How to perform brain surgery without making a single cut](https://invisiblenetwork.ai/learn/ted/hyunsoo_joshua_no_how_to_perform_brain_surgery_without_making_a_single_cut): Hyunsoo Joshua No · TED - [How AI is unearthing hidden scientific knowledge](https://invisiblenetwork.ai/learn/ted/sara_beery_how_ai_is_unearthing_hidden_scientific_knowledge): Sara Beery · TED - [What will the future of art look like? A visual effects artist and a curator answer](https://invisiblenetwork.ai/learn/ted/rob_bredow_and_nora_atkinson_what_will_the_future_of_art_look_like_a_visual_effects_artist_and_a_curator_answer): Rob Bredow and Nora Atkinson · TED - [A musical duet with AI herself](https://invisiblenetwork.ai/learn/ted/todd_almond_and_donna_murphy_a_musical_duet_with_ai_herself): Todd Almond and Donna Murphy · TED - [The absurd inequality of climate work — and how to fix it](https://invisiblenetwork.ai/learn/ted/joshua_amponsem_the_absurd_inequality_of_climate_work_and_how_to_fix_it): Joshua Amponsem · TED - [What if you could talk to your favorite character in a movie?](https://invisiblenetwork.ai/learn/ted/christoph_lassner_what_if_you_could_talk_to_your_favorite_character_in_a_movie): Christoph Lassner · TED - [The hidden cost of buying gold](https://invisiblenetwork.ai/learn/ted/claudia_vega_the_hidden_cost_of_buying_gold): Claudia Vega · TED - [How to raise kids who question AI](https://invisiblenetwork.ai/learn/ted/randi_williams_how_to_raise_kids_who_question_ai): Randi Williams · TED - [How to empower the next generation of pilots](https://invisiblenetwork.ai/learn/ted/refilwe_ledwaba_how_to_empower_the_next_generation_of_pilots): Refilwe Ledwaba · TED - [How India's local recyclers could solve plastic pollution](https://invisiblenetwork.ai/learn/ted/mani_vajipey_how_india_s_local_recyclers_could_solve_plastic_pollution): Mani Vajipey · TED - [The coolest stuff animals can do with their tongues](https://invisiblenetwork.ai/learn/ted/cella_wright_the_coolest_stuff_animals_can_do_with_their_tongues): Cella Wright · TED - [Colin Greenwood](https://invisiblenetwork.ai/learn/ted/design_matters_with_debbie_millman_colin_greenwood): Design Matters with Debbie Millman · TED - [The power shift US politics needs](https://invisiblenetwork.ai/learn/ted/anathea_chino_the_power_shift_us_politics_needs): Anathea Chino · TED - [Mothers helping mothers fight HIV](https://invisiblenetwork.ai/learn/ted/mitchell_besser_mothers_helping_mothers_fight_hiv): Mitchell Besser · TED - [An illustrated kingdom of real, fantastical plants](https://invisiblenetwork.ai/learn/ted/nirupa_rao_an_illustrated_kingdom_of_real_fantastical_plants): Nirupa Rao · TED - [How to speak with meaning](https://invisiblenetwork.ai/learn/ted/ted_ed_how_to_speak_with_meaning): TED-Ed · TED - [The Long Now](https://invisiblenetwork.ai/learn/ted/stewart_brand_the_long_now): Stewart Brand · TED - [A stealthy reimagining of urban public space](https://invisiblenetwork.ai/learn/ted/elizabeth_diller_a_stealthy_reimagining_of_urban_public_space): Elizabeth Diller · TED - [Why you should be able to vote on your phone](https://invisiblenetwork.ai/learn/ted/bradley_tusk_why_you_should_be_able_to_vote_on_your_phone): Bradley Tusk · TED - [The web is more than "better TV"](https://invisiblenetwork.ai/learn/ted/peter_hirshberg_the_web_is_more_than_better_tv): Peter Hirshberg · TED - [The greatest show on Earth — for kids who need it most](https://invisiblenetwork.ai/learn/ted/sahba_aminikia_the_greatest_show_on_earth_for_kids_who_need_it_most): Sahba Aminikia · TED - [Pay off your credit cards faster with these 4 easy changes](https://invisiblenetwork.ai/learn/ted/wendy_de_la_rosa_pay_off_your_credit_cards_faster_with_these_4_easy_changes): Wendy De La Rosa · TED - [The solution to our energy problems is … a toaster](https://invisiblenetwork.ai/learn/ted/rachel_yang_the_solution_to_our_energy_problems_is_a_toaster): Rachel Yang · TED - [How satellites are supporting farmers across Africa](https://invisiblenetwork.ai/learn/ted/catherine_nakalembe_how_satellites_are_supporting_farmers_across_africa): Catherine Nakalembe · TED - [A new way to "grow" islands and coastlines](https://invisiblenetwork.ai/learn/ted/skylar_tibbits_a_new_way_to_grow_islands_and_coastlines): Skylar Tibbits · TED - [The surprising new treatment for mental illness](https://invisiblenetwork.ai/learn/ted/anees_bahji_the_surprising_new_treatment_for_mental_illness): Anees Bahji · TED - [How can creativity help us heal? A doctor and a cartoonist answer](https://invisiblenetwork.ai/learn/ted/amy_baxter_and_navied_mahdavian_how_can_creativity_help_us_heal_a_doctor_and_a_cartoonist_answer): Amy Baxter and Navied Mahdavian · TED - ["Ode to the Only Black Kid in the Class"](https://invisiblenetwork.ai/learn/ted/clint_smith_ode_to_the_only_black_kid_in_the_class): Clint Smith · TED - [What you know that AI doesn’t](https://invisiblenetwork.ai/learn/ted/priyanka_vergadia_what_you_know_that_ai_doesn_t): Priyanka Vergadia · TED - [Everyone can participate in building the metaverse](https://invisiblenetwork.ai/learn/ted/sutu_everyone_can_participate_in_building_the_metaverse): Sutu · TED - [The colorful, shapeshifting wonder of the Amazon's praying mantises](https://invisiblenetwork.ai/learn/ted/leo_lanna_and_lvcas_fiat_the_colorful_shapeshifting_wonder_of_the_amazon_s_praying_mantises): Leo Lanna and Lvcas Fiat · TED - [Inside the Gaza peace plan](https://invisiblenetwork.ai/learn/ted/ian_bremmer_inside_the_gaza_peace_plan): Ian Bremmer · TED - [Plant fuels that could power a jet](https://invisiblenetwork.ai/learn/ted/bilal_bomani_plant_fuels_that_could_power_a_jet): Bilal Bomani · TED - ["Marigolds," a poem about wonder](https://invisiblenetwork.ai/learn/ted/safiya_sinclair_marigolds_a_poem_about_wonder): Safiya Sinclair · TED - [Ancient Pompeii's hidden messages, preserved in graffiti](https://invisiblenetwork.ai/learn/ted/jacqueline_dibiasie_sammons_ancient_pompeii_s_hidden_messages_preserved_in_graffiti): Jacqueline DiBiasie-Sammons · TED - [Wicked's costume designer on how to tell stories with clothes](https://invisiblenetwork.ai/learn/ted/paul_tazewell_wicked_s_costume_designer_on_how_to_tell_stories_with_clothes): Paul Tazewell · TED - [Break the bad news bubble (Part 2)](https://invisiblenetwork.ai/learn/ted/angus_hervey_break_the_bad_news_bubble_part_2): Angus Hervey · TED - [How to uncover your best ideas](https://invisiblenetwork.ai/learn/ted/ted_ed_how_to_uncover_your_best_ideas): TED-Ed · TED - [How bullying spreads — and how social bravery stops it](https://invisiblenetwork.ai/learn/ted/amy_cuddy_how_bullying_spreads_and_how_social_bravery_stops_it): Amy Cuddy · TED [Next page](https://invisiblenetwork.ai/learn/browse?source=ted&page=132)