Why do snakes have forked tongues? – Cella Wright

From TED Ed. Explore the incredible variety of tongues in the animal kingdom, and find out how different species utilize the appendage to survive. — An alligator snapping turtle lures its prey using a blood-engorged tongue that resembles a wriggling worm. And it’s far from the only animal doing tongue trickery. Tongues in the animal…

The myth of the serpent’s curse – Iseult Gillespie

From TED Ed. Get to know the Greek myth of Cadmus, who unknowingly killed Ares’ serpent and faced the wrath and retribution of the gods. — When Cadmus walked the Earth, just a few generations separated him from his divine ancestors. From atop Mount Olympus, they scrutinized and meddled with mortals like himself. Cadmus was…

Why fish are better at breathing than you are – Dan Kwartler

From TED Ed. Explore how fish use their gills to breathe, and how these processes make them some of the most efficient breathers on Earth. — Recent studies found that elite runners can take in twice as much oxygen as non-runners. And it’s likely that this superhuman ability played a role in breaking the two-hour…

Could we build a miniature sun on Earth? – George Zaidan

From TED Ed. Explore the possibility of nuclear fusion technology to create limitless, on-demand energy with almost no emissions. — Stars have cores hot and dense enough to force atomic nuclei together, forming larger, heavier nuclei in a process known as fusion. In this process, the mass of the end products is slightly less than…

The secret behind how Chinese characters work – Gina Marie Elia

From TED Ed. Trace the history of Chinese characters, and find out how this writing system has changed and evolved over thousands of years. — According to legend, in the 27th century BCE, the Yellow Emperor of China charged his historian, Cangjie, to develop a system of writing. Sitting alongside a riverbank, Cangjie noted the…

What really happened to Oedipus? – Stephen Esposito

From TED Ed. Dig into the tragic tale of Oedipus, who unknowingly fulfills a prophecy that he would kill his father and marry his mother. — When Queen Jocasta of Thebes gave birth to Oedipus, a grim air seized the occasion. Her husband, King Laius, had received a prophecy from Apollo’s oracle foretelling that he…

These animals can hear everything – Jakob Christensen-Dalsgaard

From TED Ed. Explore the extraordinary auditory adaptations in the animal kingdom, and find out which creature has the best hearing. — The world is always abuzz with sounds, many of which human ears simply can’t hear. However, other species have extraordinary adaptations that grant them access to realms of sonic extremes. And some of…

How to love, according to Rumi – Stephanie Honchell Smith

From TED Ed. Explore the life and works of Rumi, who became one of the world’s most celebrated poets and mystical philosophers. — According to legend, the renowned scholar Jalaluddin Muhammad Rumi was giving a lecture when a disheveled man approached and asked him the meaning of his academic books. Rumi didn’t know it yet,…

Can you transplant a head to another body? – Max G. Levy

From TED Ed. Follow a neurosurgeon’s attempts to perform a head transplant, and dig into the ethical and biological questions the procedure raises. — In 1970, neurosurgeon Robert White and his team carted two monkeys into an operating room to conduct an ambitious experiment. The objective was to connect the head of Monkey A to…

How did ancient civilizations make ice cream? – Vivian Jiang

From TED Ed. Trace the history of ice cream, from the first accounts of cold desserts in the 1st century to the cream-based treat we know today. — Ice cream has a unique role in our world’s history, culture, and cravings. The first accounts of cold desserts date back to the first century, in civilizations…

Why don’t “tough” and “dough” rhyme? – Arika Okrent

From TED Ed. Explore the evolution of English spelling conventions throughout history, and find out why it’s such an inconsistent language. — Spelling reformers have been advocating for changes to make English spelling more intuitive and less irregular. One example of its messiness: take the “g-h” sound from “enough,” the “o” sound from “women” and…

Could AI predict the future? – Thomas Hofweber

From TED Ed. Explore one of the main issues of AI-based predictive models and how it affects user decision-making and accountability. — A couple has been considering getting engaged, but they’re worried about divorce statistics. An AI-based model was just released that can predict your likelihood of divorce with 95% accuracy. The only catch is…

How could so many people support Hitler? – Joseph Lacey

From TED Ed. Explore the philosophy of Hannah Arendt, and get to know her strategies to combat the threat of totalitarianism and oppression. — Philosopher Hannah Arendt was a German Jew who dedicated herself to understanding how the Nazi regime came to power, and more specifically, how it inspired so many atrocities. She believed the…

How to increase your happiness

From TED Ed. Dig into the benefits of practicing gratitude in your everyday life, and discover how being thankful can impact your happiness. — Many people would say the connection between happiness and gratefulness is very simple: when you are happy, you are grateful. But think again. Is it really the happy people that are…

How do gas masks actually work? – George Zaidan

From TED Ed. Explore the science behind how gas masks work, and how the technology protects us from airborne threats and pollutants. — You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part of our everyday lives. In addition to…