সাইকেলের ডাইনামো লাইট | The Forgotten Technology That Was Worth a Month's Salary (60s-70s) #dynamo

Just wait for it😭

1. He said that before the industrial era, nobody slept 8 hours in one block. People slept in two parts: they went to bed after sunset, woke up around midnight, stayed awake for 1–2 hours, then went back to sleep. This “split sleep” was normal for thousands of years. But when factories appeared in the 19th century, society forced everyone into one long sleep window — and the body never fully adapted. He said the modern schedule confuses the brain: it doesn’t understand when it should rest and wh

Omg this is so smart🤯

POV your dad before puberty

How the Copper IUD Works Inside the Body | #shorts

@judejonesbmx takes the win at FISE Sakai - @UCI park ! 🌐 From 27 to 30 November in Sakai, Ibaraki (Japan) 🌸 ℹ️ This last stop of the season see the world’s best riders battle for the overall BMX Freestyle Park and Flatland World Cup titles. In addition to the spectacular BMX action, spectators also enjoy the FISE Breaking International Battle, bringing together some of the top breakers for a world-class urban sports celebration in Japan. #FISESakai2025 #bmx #breaking #bmxflatland #bmxpark

Perris Benegas wins silver in BMX Freestyle at Paris Olympics #shorts