# Mathematics 1,280 courses and talks. - [Can you solve the stolen rubies riddle?](https://invisiblenetwork.ai/learn/ted/dennis_shasha_can_you_solve_the_stolen_rubies_riddle): Dennis Shasha · TED - [The paradox at the heart of mathematics: Gödel's Incompleteness Theorem](https://invisiblenetwork.ai/learn/ted/marcus_du_sautoy_the_paradox_at_the_heart_of_mathematics_godel_s_incompleteness_theorem): Marcus du Sautoy · TED - [Can you solve the monster duel riddle?](https://invisiblenetwork.ai/learn/ted/alex_gendler_can_you_solve_the_monster_duel_riddle): Alex Gendler · TED - [What's the fastest way to alphabetize your bookshelf?](https://invisiblenetwork.ai/learn/ted/chand_john_what_s_the_fastest_way_to_alphabetize_your_bookshelf): Chand John · TED - [Can you solve the cuddly duddly fuddly wuddly riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_cuddly_duddly_fuddly_wuddly_riddle): Daniel Finkel · TED - [New insights on poverty](https://invisiblenetwork.ai/learn/ted/hans_rosling_new_insights_on_poverty): Hans Rosling · TED - [Can you solve the giant cat army riddle?](https://invisiblenetwork.ai/learn/ted/dan_finkel_can_you_solve_the_giant_cat_army_riddle): Dan Finkel · TED - [3 lessons on decision-making from a poker champion](https://invisiblenetwork.ai/learn/ted/liv_boeree_3_lessons_on_decision_making_from_a_poker_champion): Liv Boeree · TED - [How to spot a misleading graph](https://invisiblenetwork.ai/learn/ted/lea_gaslowitz_how_to_spot_a_misleading_graph): Lea Gaslowitz · TED - [How math is our real sixth sense](https://invisiblenetwork.ai/learn/ted/eddie_woo_how_math_is_our_real_sixth_sense): Eddie Woo · TED - [Can you solve the secret sauce riddle?](https://invisiblenetwork.ai/learn/ted/alex_gendler_can_you_solve_the_secret_sauce_riddle): Alex Gendler · TED - [Can you solve the vampire hunter riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_vampire_hunter_riddle): Daniel Finkel · TED - [Can you solve the giant spider riddle?](https://invisiblenetwork.ai/learn/ted/dan_finkel_can_you_solve_the_giant_spider_riddle): Dan Finkel · TED - [Can you solve the troll's paradox riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_troll_s_paradox_riddle): Daniel Finkel · TED - [Is math discovered or invented?](https://invisiblenetwork.ai/learn/ted/jeff_dekofsky_is_math_discovered_or_invented): Jeff Dekofsky · TED - [How simple ideas lead to scientific discoveries](https://invisiblenetwork.ai/learn/ted/adam_savage_how_simple_ideas_lead_to_scientific_discoveries): Adam Savage · 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 - [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 - [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 - [The mathematical secrets of Pascal's triangle](https://invisiblenetwork.ai/learn/ted/wajdi_mohamed_ratemi_the_mathematical_secrets_of_pascal_s_triangle): Wajdi Mohamed Ratemi · TED - [How big is infinity?](https://invisiblenetwork.ai/learn/ted/dennis_wildfogel_how_big_is_infinity): Dennis Wildfogel · TED - [Math class needs a makeover](https://invisiblenetwork.ai/learn/ted/dan_meyer_math_class_needs_a_makeover): Dan Meyer · TED - [Population pyramids: Powerful predictors of the future](https://invisiblenetwork.ai/learn/ted/kim_preshoff_population_pyramids_powerful_predictors_of_the_future): Kim Preshoff · TED - [Can you solve the sea monster riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_sea_monster_riddle): Daniel Finkel · TED - [Can you solve the dragon jousting riddle?](https://invisiblenetwork.ai/learn/ted/alex_gendler_can_you_solve_the_dragon_jousting_riddle): Alex Gendler · TED - [The math behind basketball's wildest moves](https://invisiblenetwork.ai/learn/ted/rajiv_maheswaran_the_math_behind_basketball_s_wildest_moves): Rajiv Maheswaran · TED - [Can you solve the killer robo-ants riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_killer_robo_ants_riddle): Daniel Finkel · TED - [The math and magic of origami](https://invisiblenetwork.ai/learn/ted/robert_lang_the_math_and_magic_of_origami): Robert Lang · TED - [How we can make the world a better place by 2030](https://invisiblenetwork.ai/learn/ted/michael_green_how_we_can_make_the_world_a_better_place_by_2030): Michael Green · TED - [Can you solve the world's most evil wizard riddle?](https://invisiblenetwork.ai/learn/ted/dan_finkel_can_you_solve_the_world_s_most_evil_wizard_riddle): Dan Finkel · TED - [The greatest mathematician that never lived](https://invisiblenetwork.ai/learn/ted/pratik_aghor_the_greatest_mathematician_that_never_lived): Pratik Aghor · TED - [What's an algorithm?](https://invisiblenetwork.ai/learn/ted/david_j_malan_what_s_an_algorithm): David J. Malan · TED - [How big is a mole? (Not the animal, the other one.)](https://invisiblenetwork.ai/learn/ted/daniel_dulek_how_big_is_a_mole_not_the_animal_the_other_one): Daniel Dulek · TED - [Teach statistics before calculus!](https://invisiblenetwork.ai/learn/ted/arthur_benjamin_teach_statistics_before_calculus): Arthur Benjamin · TED - [Can you solve the honeybee riddle?](https://invisiblenetwork.ai/learn/ted/dan_finkel_can_you_solve_the_honeybee_riddle): Dan Finkel · TED - [The Happy Planet Index](https://invisiblenetwork.ai/learn/ted/nic_marks_the_happy_planet_index): Nic Marks · TED - [The psychology behind irrational decisions](https://invisiblenetwork.ai/learn/ted/sara_garofalo_the_psychology_behind_irrational_decisions): Sara Garofalo · TED - [Can you solve the giant iron riddle?](https://invisiblenetwork.ai/learn/ted/alex_gendler_can_you_solve_the_giant_iron_riddle): Alex Gendler · TED - [Can you solve the alien probe riddle?](https://invisiblenetwork.ai/learn/ted/daniel_finkel_can_you_solve_the_alien_probe_riddle): Daniel Finkel · TED - [Everything changed when the fire crystal got stolen](https://invisiblenetwork.ai/learn/ted/alex_gendler_everything_changed_when_the_fire_crystal_got_stolen): Alex Gendler · TED - [Why do airlines sell too many tickets?](https://invisiblenetwork.ai/learn/ted/nina_klietsch_why_do_airlines_sell_too_many_tickets): Nina Klietsch · TED - [Lies, damned lies and statistics (about TEDTalks)](https://invisiblenetwork.ai/learn/ted/sebastian_wernicke_lies_damned_lies_and_statistics_about_tedtalks): Sebastian Wernicke · TED - [Where do math symbols come from?](https://invisiblenetwork.ai/learn/ted/john_david_walters_where_do_math_symbols_come_from): John David Walters · TED - [Da Vinci's Vitruvian Man of math](https://invisiblenetwork.ai/learn/ted/james_earle_da_vinci_s_vitruvian_man_of_math): James Earle · TED - [How do airplanes actually fly?](https://invisiblenetwork.ai/learn/ted/raymond_adkins_how_do_airplanes_actually_fly): Raymond Adkins · TED - [Can you outsmart this logical fallacy?](https://invisiblenetwork.ai/learn/ted/alex_gendler_can_you_outsmart_this_logical_fallacy): Alex Gendler · TED - [Can you solve the Alice in Wonderland riddle?](https://invisiblenetwork.ai/learn/ted/alex_gendler_can_you_solve_the_alice_in_wonderland_riddle): Alex Gendler · TED - [Can you solve Dongle's Difficult Dilemma?](https://invisiblenetwork.ai/learn/ted/dennis_e_shasha_can_you_solve_dongle_s_difficult_dilemma): Dennis E. Shasha · TED [Next page](https://invisiblenetwork.ai/learn/browse?subject=maths&page=3)