The best playgrounds (according to science)

From TED Ed. Explore the cognitive benefits of risky play and how we can design better playgrounds that promote fun, agency, and development. — The best play environments offer freedom and novelty that kids can explore as much or as little as they like. But traditional playgrounds don’t offer much flexibility— swings, slides, and climbing…

Why kids need to take more risks

From TED Ed. Explore the cognitive benefits of risky play and how we can design better playgrounds that promote fun, agency, and development. — The best play environments offer freedom and novelty that kids can explore as much or as little as they like. But traditional playgrounds don’t offer much flexibility— swings, slides, and climbing…

Have you ever had an imaginary friend? Watch this

From TED Ed. Explore the psychology behind why children invent imaginary companions and what skills they can develop through pretend play. — Amia and her friend Zelba have been inseparable for nearly a year. They share secrets, play games, and rule over imaginary kingdoms. Amia sometimes has bad ideas, and Zelba goes along with them…

What happens if you eat a silica gel packet? – Vivian Jiang

From TED Ed. Explore the science of silica gel, and find out why these packets are everywhere and if they’re actually dangerous to ingest. — Of the many, many things we’re not supposed to snack on, perhaps the most common forbidden food is silica gel. This tiny packet pops up in packaging for everything —…

Do artists really write their own songs? | Think Like A Musician

From TED Ed. Professional songwriters share their writing process, how they collaborate with other artists, and what it takes to be a songwriter. — "Think Like A Musician" connects you with working musicians who want to help the music-curious and music-passionate hone and share the gift of music with the world. Part interview, part animated…

One of the world’s oldest beverages – Malcolm Purinton

From TED Ed. Trace the history and evolution of beer, from its first known existence 13,000 years ago to the modern beverage we know today. — Today, there are over 100 distinct beer varieties, from pilsners and bocks, to porters, stouts, and IPAs. The oldest evidence of beer brewing dates back 13,000 years, but experts…

Could lotteries replace elections? – Michael Vazquez

From TED Ed. Dig into sortition, a system where officials are selected via lottery, and how it could address the problems of modern democracies. — Elections are tools that ensure a nation’s citizens all have an equal political voice. But these so-called “great equalizers” are often plagued by corruption, partisan divides, and uninformed voters. Which…

3 surprising ways microplastics can enter your body

From TED Ed. Explore how the microplastics in your body can affect your health, and how we can regulate the amount of plastic in our world. — Plastic is everywhere. It’s in our clothes, our food, the air we breathe. And plastic is now also in our bodies. Micro and nanoplastics generally enter our bodies…

How long can hair grow? – Maksim Plikus

From TED Ed. Dig into what biological factors influence hair growth, how it can change as you age, and how to take control of your scalp. — At age 44, Xie Qiuping cut her hair for the first time in over three decades. Her impressive locks extended over 5 meters — earning the Guinness World…

How does the morning-after pill prevent pregnancy? – Alison Edelman

From TED Ed. Explore how two main types of emergency contraception work to prevent pregnancy by disrupting or delaying ovulation. — In a 2021 study, researchers asked over 500 participants to explain how the morning-after pill worked. Despite these pills’ widespread use, 60% answered incorrectly. Emergency contraceptives are often misunderstood— even the phrase “the morning-after…

The biggest mistake lottery winners make

From TED Ed. Dig into the pros and cons of annuity and lump sum lottery payouts, and find out the most common mistakes lottery winners make. — After winning the lottery, one of the first decisions you’d have to make is how you want your winnings to be paid out. You can choose the full…

Does hypnosis ever actually work? – Devin Terhune

From TED Ed. Explore the science of hypnosis, and dig into how the practice can affect your body and brain when hypnotic suggestions work. — In the 19th century, Scottish surgeon James Braid revolutionized the field of hypnotism, transitioning the practice towards inducing a sleep-like state. Today, hypnosis is used in psychiatry as a helpful…

The biggest myths about Neanderthals – Bruce Hardy

From TED Ed. Dig into the surprisingly complex lives of Neanderthals, and explore theories on what happened to our evolutionary cousins. — In 1856, quarriers working in Germany’s Neander Valley discovered several mysterious fossils. The remains changed hands until being identified as the skullcap and femur bones of something ancient and human, but not quite…

3 things that can cause painful periods – Chen X. Chen

From TED Ed. Dig into the science of what makes period cramps so painful, and find out what we still don’t know about this common experience. — Period pain affects hundreds of millions of people. Anywhere from 50 to 90% of people who menstruate deal with painful abdominal or pelvic cramps during their period. Individual…