# From TED 7,640 courses and talks. - [Why did Megalodon go extinct?](https://invisiblenetwork.ai/learn/ted/jack_cooper_and_catalina_pimiento_why_did_megalodon_go_extinct): Jack Cooper and Catalina Pimiento · TED - [Make your actions on climate reflect your words](https://invisiblenetwork.ai/learn/ted/severn_cullis_suzuki_make_your_actions_on_climate_reflect_your_words): Severn Cullis-Suzuki · TED - [A global movement to solve global problems](https://invisiblenetwork.ai/learn/ted/colombe_cahen_salvador_a_global_movement_to_solve_global_problems): Colombe Cahen-Salvador · TED - [How your brain tells you where you are](https://invisiblenetwork.ai/learn/ted/neil_burgess_how_your_brain_tells_you_where_you_are): Neil Burgess · TED - [Tidying up art](https://invisiblenetwork.ai/learn/ted/ursus_wehrli_tidying_up_art): Ursus Wehrli · TED - [The radical act of choosing common ground](https://invisiblenetwork.ai/learn/ted/nisha_anand_the_radical_act_of_choosing_common_ground_sep_2020): Nisha Anand · TED - [A critical look at geoengineering against climate change](https://invisiblenetwork.ai/learn/ted/david_keith_a_critical_look_at_geoengineering_against_climate_change): David Keith · TED - [Wry photos that turn stereotypes upside down](https://invisiblenetwork.ai/learn/ted/uldus_bakhtiozina_wry_photos_that_turn_stereotypes_upside_down): Uldus Bakhtiozina · TED - [A new way to study the brain's invisible secrets](https://invisiblenetwork.ai/learn/ted/ed_boyden_a_new_way_to_study_the_brain_s_invisible_secrets): Ed Boyden · TED - [The anxiety that comes from being treated like an outsider](https://invisiblenetwork.ai/learn/ted/valerie_purdie_greenaway_the_anxiety_that_comes_from_being_treated_like_an_outsider): Valerie Purdie-Greenaway · TED - [What nonprofits can learn from Coca-Cola](https://invisiblenetwork.ai/learn/ted/melinda_gates_what_nonprofits_can_learn_from_coca_cola): Melinda Gates · TED - [The accident that changed the world](https://invisiblenetwork.ai/learn/ted/allison_ramsey_and_mary_staicu_the_accident_that_changed_the_world): Allison Ramsey and Mary Staicu · TED - [3 principles for creating safer AI](https://invisiblenetwork.ai/learn/ted/stuart_russell_3_principles_for_creating_safer_ai): Stuart Russell · TED - [When you're making a deal, what's going on in your brain?](https://invisiblenetwork.ai/learn/ted/colin_camerer_when_you_re_making_a_deal_what_s_going_on_in_your_brain): Colin Camerer · TED - [Photos that give voice to the animal kingdom](https://invisiblenetwork.ai/learn/ted/frans_lanting_photos_that_give_voice_to_the_animal_kingdom): Frans Lanting · TED - [The real-world influence of video gamecults](https://invisiblenetwork.ai/learn/ted/noah_raford_the_real_world_influence_of_video_gamecults): Noah Raford · TED - [The real-life superheroes helping Syrian refugees](https://invisiblenetwork.ai/learn/ted/feras_fayyad_the_real_life_superheroes_helping_syrian_refugees): Feras Fayyad · TED - [The mood-boosting power of crying](https://invisiblenetwork.ai/learn/ted/kathy_mendias_the_mood_boosting_power_of_crying): Kathy Mendias · TED - [A father-daughter bond, one photo at a time](https://invisiblenetwork.ai/learn/ted/steven_addis_a_father_daughter_bond_one_photo_at_a_time): Steven Addis · TED - [Shape-shifting tech will change work as we know it](https://invisiblenetwork.ai/learn/ted/sean_follmer_shape_shifting_tech_will_change_work_as_we_know_it): Sean Follmer · TED - [Skin color is an illusion](https://invisiblenetwork.ai/learn/ted/nina_jablonski_skin_color_is_an_illusion): Nina Jablonski · TED - [We need to address the real roots of racial violence](https://invisiblenetwork.ai/learn/ted/megan_ming_francis_we_need_to_address_the_real_roots_of_racial_violence): Megan Ming Francis · TED - [A science award that makes you laugh, then think](https://invisiblenetwork.ai/learn/ted/marc_abrahams_a_science_award_that_makes_you_laugh_then_think): Marc Abrahams · TED - [The sibling bond](https://invisiblenetwork.ai/learn/ted/jeffrey_kluger_the_sibling_bond): Jeffrey Kluger · TED - [The US needs paid family leave -- for the sake of its future](https://invisiblenetwork.ai/learn/ted/jessica_shortall_the_us_needs_paid_family_leave_for_the_sake_of_its_future): Jessica Shortall · TED - [How we can make energy more affordable for low-income families](https://invisiblenetwork.ai/learn/ted/deandrea_salvador_how_we_can_make_energy_more_affordable_for_low_income_families): DeAndrea Salvador · TED - [The Earth is full](https://invisiblenetwork.ai/learn/ted/paul_gilding_the_earth_is_full): Paul Gilding · TED - [Want to help Africa? Do business here](https://invisiblenetwork.ai/learn/ted/ngozi_okonjo_iweala_want_to_help_africa_do_business_here): Ngozi Okonjo-Iweala · TED - [Why nurses are key to medical innovation](https://invisiblenetwork.ai/learn/ted/ben_gran_why_nurses_are_key_to_medical_innovation): Ben Gran · TED - [How your sense of smell helps you savor flavor](https://invisiblenetwork.ai/learn/ted/jen_gunter_how_your_sense_of_smell_helps_you_savor_flavor): Jen Gunter · TED - [This one weird trick will get you infinite gold](https://invisiblenetwork.ai/learn/ted/dan_finkel_this_one_weird_trick_will_get_you_infinite_gold): Dan Finkel · TED - [What's the smallest thing in the universe?](https://invisiblenetwork.ai/learn/ted/jonathan_butterworth_what_s_the_smallest_thing_in_the_universe): Jonathan Butterworth · TED - [How to stop the metaverse from becoming the internet's bad sequel](https://invisiblenetwork.ai/learn/ted/micaela_mantegna_how_to_stop_the_metaverse_from_becoming_the_internet_s_bad_sequel): Micaela Mantegna · TED - [The urgent risks of runaway AI — and what to do about them](https://invisiblenetwork.ai/learn/ted/gary_marcus_the_urgent_risks_of_runaway_ai_and_what_to_do_about_them): Gary Marcus · TED - [One of the most controversial medical procedures in history](https://invisiblenetwork.ai/learn/ted/jenell_johnson_one_of_the_most_controversial_medical_procedures_in_history): Jenell Johnson · TED - [We need leaders who boldly champion inclusion](https://invisiblenetwork.ai/learn/ted/june_sarpong_we_need_leaders_who_boldly_champion_inclusion): June Sarpong · TED - [How we can predict the next financial crisis](https://invisiblenetwork.ai/learn/ted/didier_sornette_how_we_can_predict_the_next_financial_crisis): Didier Sornette · TED - [A pro wrestler's guide to confidence](https://invisiblenetwork.ai/learn/ted/mike_kinney_a_pro_wrestler_s_guide_to_confidence): Mike Kinney · TED - [My daughter, my wife, our robot, and the quest for immortality](https://invisiblenetwork.ai/learn/ted/martine_rothblatt_my_daughter_my_wife_our_robot_and_the_quest_for_immortality): Martine Rothblatt · TED - [Dreams and details for a decarbonized future](https://invisiblenetwork.ai/learn/ted/jim_hagemann_snabe_dreams_and_details_for_a_decarbonized_future): Jim Hagemann Snabe · TED - [What everyday citizens can do to claim power on the internet](https://invisiblenetwork.ai/learn/ted/fadi_chehade_what_everyday_citizens_can_do_to_claim_power_on_the_internet): Fadi Chehadé · TED - [How to revitalize a neighborhood -- without gentrification](https://invisiblenetwork.ai/learn/ted/bree_jones_how_to_revitalize_a_neighborhood_without_gentrification): Bree Jones · TED - [The business case for working with your toughest critics](https://invisiblenetwork.ai/learn/ted/bob_langert_the_business_case_for_working_with_your_toughest_critics): Bob Langert · TED - [Reasons for the seasons](https://invisiblenetwork.ai/learn/ted/rebecca_kaplan_reasons_for_the_seasons): Rebecca Kaplan · TED - [Why the pencil is perfect](https://invisiblenetwork.ai/learn/ted/caroline_weaver_why_the_pencil_is_perfect): Caroline Weaver · TED - [How video game skills can get you ahead in life](https://invisiblenetwork.ai/learn/ted/william_collis_how_video_game_skills_can_get_you_ahead_in_life): William Collis · TED - [Why you should care about whale poo](https://invisiblenetwork.ai/learn/ted/asha_de_vos_why_you_should_care_about_whale_poo): Asha de Vos · TED - [A plan to recycle the unrecyclable](https://invisiblenetwork.ai/learn/ted/ashton_cofer_a_plan_to_recycle_the_unrecyclable): Ashton Cofer · TED [Next page](https://invisiblenetwork.ai/learn/browse?source=ted&page=62)