This Christmas I decided the best way to celebrate the birth of Jesus Christ was to inflict a large amount of pain on my ...

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 ...

The classic ‘FTP test’ has long been the gold standard method of determining the power a cyclist can sustain for one hour - ...