Ever wondered how bulletproof vests manage to stop bullets while staying light and flexible? Check out this TED-Ed video: “How do bulletproof vests work?” By 1975, Richard Davis had been shot at close range 192 times, but not a scratch—thanks to his groundbreaking invention: the bulletproof vest! Discover the chemistry behind Kevlar, the synthetic fiber […]
Imagine draining our planet’s seas and dumping all that water onto the Curiosity rover. How would the Red Planet change as it fills up with Earth’s oceans? This is exactly the scenario we’re exploring in the latest video from xkcd’s “What If?”
Ever wondered why stepping on a rusty nail is so dangerous? In TED-Ed’s latest video, they explore the story of a 5th-century ship master who suffered from a bizarre and terrifying infection that caused his jaws to clamp shut and his muscles to spasm uncontrollably. Today, we know this as one of the earliest recorded […]
Alzheimer’s disease is a debilitating brain disorder affecting millions of people worldwide. It gradually destroys memory and other cognitive abilities, profoundly impacting daily life. Despite decades of research and hundreds of clinical trials, an effective preventive treatment or cure remains elusive. Alzheimer’s disease primarily affects the brain’s neurons, leading to their progressive degeneration and death. […]
Beehives always have a queen, who is the mother of the entire hive. But have you ever wondered, what happened to the king, if there was ever any? Can a male bee become a king? [MinuteEarth]
If your mental image of a scientist looks like this, you’re due for an update. aluxum/E+ via Getty Images Soazig Le Bihan, University of Montana A man in a lab coat bends under a dim light, his strained eyes riveted onto a microscope. He’s powered only by caffeine and anticipation. This solitary scientist will stay […]
In this fast-paced video, we break down a bunch of common “-ology” terms in just 6 minutes! From biology to psychology, geology to technology, we’ll unlock the meaning behind these fields of study and give you a taste of what they’re all about. [Everything Explained | Via LS]
Vahe Peroomian, USC Dornsife College of Letters, Arts and Sciences The stars aren’t fixed and unchanging, unlike what many ancient people thought. Once in a while, a star appears where there wasn’t one before, and then it fades away in a matter of days or weeks. The earliest record of such a “guest star,” named […]
The Action Lab got his hands on a Black Widow (not the Avenger!) to test if the spider’s web-spinning silk is as strong as steel or just a myth. ️ Check out this fascinating experiment to see if we’ve found the next superhero material!
Ever wondered why hitting your funny bone feels so horrible? We’ve all experienced it: that sharp, disquieting sensation shooting down your arm after bumping your elbow. But why does it happen? This TED-Ed video dives into the complex anatomy of the elbow to explain why hitting your funny bone causes such an odd and painful […]