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It's a good day to be a pirate. Amaro and his four mateys - Bart, Charlotte, Daniel, and Eliza have struck gold - a chest with 100 coins. But now, they must divvy up the booty according to the pirate code - and pirate code is notoriously complicated. Can you help come up with the distribution that Amaro should propose to make sure he lives to tell the tale? Alex Gendler shows how. Teoría de juegos. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-pirate-riddle-alex-gendler Subtítulos en español. Duración 5:10.

Professor Fukanō, the famous scientist, has embarked on a new challenge - piloting around the world in a plane of his own design. There's just one problem: there's not enough fuel to complete the journey. Luckily, there are two other planes to help. Can you help the professor fly for the whole trip and achieve his dream, without anyone running out of fuel and crashing? Judd A. Schorr shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-airplane-riddle-judd-a-schorr Subtítulos en español. Duración 4:20.

In a dystopian world, your resistance group is humanity's last hope. Unfortunately, you've all been captured by the tyrannical rulers and brought to the ancient coliseum for their deadly entertainment. Will you be able to solve the passcode riddle and get everyone out safely? Ganesh Pai shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-passcode-riddle-ganesh-pai Subtítulos en español. Duración 3:50.

As a wildfire rages through the grasslands, three lions and three wildebeest flee for their lives. To escape the inferno, they must cross over to the left bank of a crocodile-infested river. Can you help them figure out how to get across on the one raft available without losing any lives? Lisa Winer shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-river-crossing-riddle-lisa-winer Subtítulos en español. Duración 4:00.

As your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your reconnaissance team is spotty, and you have only limited information about the control panel's whereabouts. Can you solve the control room riddle and deactivate their weapon in time? Dennis Shasha shows you how. Teoría de grafos. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-control-room-riddle-dennis-shasha Subtítulos en español.

You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The male and female look identical, but the male frog has a distinctive croak. Derek Abbott shows how to use conditional probability to make sure you lick the right frog and get out alive. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-frog-riddle-derek-abbott Subtítulos en español. Duración 4:15.

Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your relatives would pester you forever. Can you solve the riddle he left for you and get the inheritance? Lisa Winer shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-locker-riddle-lisa-winer Subtítulos en español. Duración 3:47.

Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you're just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be able to destroy the virus before the vents open and unleash a deadly airborne plague? Lisa Winer shows how. View full lesson here: http://ed.ted.com/lessons/can-you-solve-the-virus-riddle-lisa-winer English subtitles.

Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an hour before it empties, and a rumbling tells you that you don't want to be around when that happens. Can you use math to escape the temple? Dennis E. Shasha shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-temple-riddle-dennis-e-shasha Subtítulos en español. Duración 4:05.

Your favorite band is great at playing music... but not so great at being organized. They keep misplacing their instruments on tour, and it's driving their manager mad. Can you solve the brain-numbing riddle their manager assigns them and make sure the band stays on their label? Yossi Elran shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-prisoner-boxes-riddle-yossi-elran Subtítulos en español. Duración 4:32.

You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever. Alex Gendler shows how to solve it. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-three-gods-riddle-alex-gendler Subtítulos en español. Duración 4:40.

The city has just opened its one-of-a-kind Faberge Egg Museum, with a single egg displayed on each floor of a 100-story building -- and the world's most notorious jewel thief already has her eyes on the prize. Can you help the thief formulate a plan that will drop the most expensive egg she can get safely into her waiting truck? Yossi Elran shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-egg-drop-riddle-yossi-elran Subtítulos en español. Duración 4:30.

What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates. Betty Fei details these three famous proofs. View full lesson: https://ed.ted.com/lessons/how-many-ways-are-there-to-prove-the-pythagorean-theorem-betty-fei/ Subtítulos en español.

Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or disrupt a sacred ritual? No, Hippasus's transgression was mathematically proving the hitherto unprovable. Ganesh Pai describes the history and math behind irrational numbers. View full lesson: https://ed.ted.com/lessons/making-sense-of-irrational-numbers-ganesh-pai/ Subtítulos en español.

Over the course of history, we've discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal? How many have they found? And how do they tell asteroids apart? Carrie Nugent shares the story of the very first asteroid ever discovered and explains how asteroid hunters search for these celestial bodies. View full lesson: https://ed.ted.com/lessons/the-first-asteroid-ever-discovered-carrie-nugent Subtítulos en español. Duración 4:46.

Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size -- so why do we perceive them differently? Scientists aren't sure, but there are plenty of intriguing theories. Andrew Vanden Heuvel unravels the details of focus, distance and proportion that contribute to this mystifying optical illusion. View full lesson: https://ed.ted.com/lessons/the-moon-illusion-andrew-vanden-heuvel Subtítulos en español. Duración 4:00.

Dig into the mystery of Nicolas Bourbaki- one of the most influential mathematicians of all time… who never actually existed. When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time. He'd published articles in international journals and his textbooks were required reading. Yet his application was firmly rejected for one simple reason: Nicolas Bourbaki did not exist. How is that possible? Pratik Aghor digs into the mystery. View full lesson here: https://ed.ted.com/lessons/the-greatest-mathematician-that-never-lived-pratik-aghor English subtitles. Duración 4:48.

You're a biologist on a mission to keep the rare honeybee Apis Trifecta from going extinct. The last 60 bees of the species are in your terrarium. You've already constructed wire frames of the appropriate size and shape. Now you need to turn them into working beehives by filling every hex with wax. Can you help the bees create producing hives? Dan Finkel shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-honeybee-riddle-dan-finkel English subtitles. Duración 4:55.

Dig into the burden of proof fallacy, which assumes that something is true unless proven false and relies on arguments from ignorance. It's 1950. Anti-communist sentiment in the United States is at an all-time high. Senator Joseph McCarthy claims he has a list of communists who are influencing government policy. He makes his first accusation without providing any legitimate evidence, yet the senate committee still schedules a hearing. Can you spot the problem with this hearing? Elizabeth Cox explores the burden of proof fallacy. View full lesson here: https://ed.ted.com/lessons/can-you-outsmart-the-fallacy-that-started-a-witch-hunt-elizabeth-cox En lógica, un argumento ad ignorantiam o argumentum ad ignorantiam, también conocido como llamada a la ignorancia, es una falacia que consiste en defender una proposición argumentando que no existe prueba de lo contrario, diciendo la incapacidad de un oponente a presentar pruebas convincentes de lo contrario. Subtítulos en español. Duración 4:05.

How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical chance of being quite wrong about what you think you know. Play along with his audience quiz - then, from Hans' son Ola, learn 4 ways to quickly get less ignorant. Subtítulos en español.