The metabolic ceiling represents the maximum number of calories that a body can actually burn. For humans, it is believed to ...

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit ...

Scientists tracked 14 elite endurance athletes for a year and found a metabolic ceiling: no one sustained more than 2.5× ...

Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...