Some of the cheapest and most innovative ideas to fight the extreme heat come from the U.S. Army, including arm immersion tables in use across the country. It’s low-tech, inexpensive and easy to implement.

Last year, Americans downloaded dating apps more than 36 million times, which is down 16% from 2020. Dating coach Damona Hoffman says an increasing number of her clients are feeling what she calls “dating app burnout,” which is stress and fatigue caused by endless swiping.

The winners were announced in the “XO Student Design Challenge,” where students competed to get their artwork displayed on Las Vegas’ Sphere venue. The performance venue, with a massive 366-foot high LED exterior, organized the contest to celebrate Independence Day through the eyes of local aspiring artists.