How Things Work on Instagram: "Moisture evaporates from the eye extremely quickly between blinks because the tear film is only a few micrometers thick and constantly exposed to air. After each blink, a fresh tear layer spreads across the cornea, but evaporation begins almost immediately, driven by airflow, temperature, and humidity. In dry or windy conditions, significant tear thinning can occur in under one second, which is why blink rate increases subconsciously. Blinking restores moisture, re

Institute of Human Anatomy on Instagram: "Does Swallowed Gum Stay in Your Stomach for 7 Years? 🤔 Spoiler: Nope! Let's bust this myth. The Truth 🧪 ✅ Your body can't break down gum (it's indigestible) ❌ But it doesn't stick to your stomach for 7 years! We ingest indigestible stuff all the time—like fiber—and it passes through fine! What Really Happens 🗺️ Mouth → Throat → Esophagus → Stomach My Experiment: I mixed hydrochloric acid to match stomach acid concentration, dropped gum in for hours. I

Our Planet on Instagram: "Incidents like this highlight how complex and powerful everyday infrastructure can be. Escalators are designed with multiple safety systems, including speed governors, brakes, and sensors that normally prevent sudden acceleration or reversal. In rare cases, mechanical failure, improper maintenance, or damage to critical components can cause an escalator to behave unpredictably. When that happens, passengers can lose balance within seconds, turning a routine commute into