Britt Hertz joins cheerleaders in a brutal hot-and-cold stunt challenge that tests both teamwork and endurance.

ANN ARBOR – The Conquer the Cold challenge returns Jan. 10-Feb. 10 to encourage commuters to get to work without driving during the cold winter months. Run by TheRide’s getDowntown Program, ...

If you'd asked me before COVID whether I'd be willing to do a twenty-day ice bath challenge in an insulated tub in my garden at the beginning of the year, chances are high that I would have said yes ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...