Scientific American on Instagram: "How do you wrap five oranges? It’s a mathematical gift wrapping conundrum that outwitted the best minds in mathematics for generations 🎁 Learn the best tactics for gift wrapping your oranges this holiday season at the link in our bio. 🎤 @Kyne ✏️ Kyne and Manon Bischoff 🎞️ Kylie Murphy and Kyne 📸 Spektrum der Wissenschaft/Manon Bischoff, styled by Scientific American #science #math #holidayhacks #wrappinggifts"

History | Ancient History on Instagram: "Aluminum foil was developed in the early 20th century as a lightweight, flexible alternative to tin foil, becoming widely adopted for household and industrial use due to its durability, non-toxicity, and ability to protect food from light, air, and moisture. By the mid-1960s, aluminum foil had already become a common kitchen staple, and in 1965 its commercialization entered a new phase driven by mass production, modern packaging needs, and aggressive cons