Engineering | Science | Technology on Instagram: "Even though it looks harmless, still water can be dangerous. Because it isn’t moving, it can hide depth, mask strong undercurrents, and cover hazards like open drains, broken glass, sharp metal, or unstable ground. In flood situations, still water may actually be connected to fast-moving currents below the surface, creating a suction effect that can pull people or vehicles in. Still water can also be very cold, causing sudden muscle shock, and it

Learning with Lyrics! on Instagram: "So how do tattoos ACTUALLY stick around forever? 🤔 Tattoos last because ink is injected deep into the dermis, the stable layer of skin beneath the outer epidermis that constantly sheds. The body's immune cells (macrophages) try to remove the foreign ink but can't, so they engulf the large pigment particles and get stuck, essentially trapping the ink in the dermis, allowing it to remain visible! #science #tattoo #tattooed #tattoos #tattooing"

Dr Preeti Mor on Instagram: "@dermatology_diaries -This is how a Pimple is formed A pimple begins deep inside the skin when a hair follicle becomes blocked with trapped oil and dead skin cells. As this buildup increases, the swollen follicle starts pushing upward toward the surface. Pressure slowly rises inside the blocked pore and the surrounding tissue becomes irritated. The area can feel tight even before anything appears on the surface, and the follicle continues to climb toward the upper la