"It worked so great." Woman shares clever hack using empty water bottle: 'That's genius' first appeared on The Cool Down.

"It is a game-changer." Mom reveals game-changing reason to not throw away empty pill bottles: 'I literally use this all the time' first appeared on The Cool Down.

Filling a reusable water bottle with ice before airport security is a TSA-approved hack that keeps water cold and avoids buying pricey bottled water. Once past security, you can fill your bottle at a ...