How to Compute Square Roots in Your Head

The last ball looked impossible 😳#WaterChallenge #FearOfHeights

It’s called 🦠BIOFILM🦠 and it doesn’t go away when you rinse your water bottle. Consumer testing has found that reusable water bottles can harbor millions of bacteria and may contain substantially more bacteria than commonly touched household surfaces, including… 🫪 toilet seats. Like, 40,000x more. 🚽 Every time you take a sip of water, your mouth introduces saliva through the straw, which then create an environment where biofilm can thrive. Within 24 to 48 hours the inside of your water bottl

Kerala's Ananthapura Lake Temple