Explore l Learn l Facts on Instagram: "He built a screw tank that can drive through deep mud by using rotating helical cylinders instead of wheels or tracks, allowing the vehicle to pull itself forward where normal machines would sink. As the screws spin, they bite into soft ground and push material backward, creating thrust and keeping the vehicle afloat on mud, snow, or swamps. This unusual design spreads weight evenly and turns unstable terrain into a usable surface, proving that smart engine

Knowledge | Curiosity | Discovery on Instagram: "This footage records a distinct display of avian play behavior in which a crow intentionally utilizes a green plastic disc as a sledding implement to traverse a snow-covered, corrugated roof. The action demonstrates the advanced cognitive faculties of the species, specifically regarding tool manipulation for non-survival purposes, generating viral appeal through the anthropomorphic resonance of recreational sliding and the stark contrast between w

National Geographic on Instagram: "Six million antelope traverse South Sudan’s eastern plains in the planet’s largest land migration, captured beautifully by Nat Geo photographer Marcus Westberg @marcuswestbergphotography and featured in our Pictures of the Year 2025. National Geographic photographers went to incredible lengths and employed boundless creativity to capture our Pictures of the Year. Take a look behind the lens to discover how they captured such iconic images at the link in bio. Vi

Toby Shepherd on Instagram: "Revy trip 2 was one for books with @keithcurtis711, and @dylanhart216! Pushing up tight shoot climbs, traversing shelves and popping pillows in deep snow is about all you ask for in a day of snowmobiling and we’ve had a few of them! Ready for some fresh snow in the states! ❄️"