Individual athletes ran an average of 4,000 miles over a year to help define the human body's limit for energy expenditure ...

Scientists discover a byproduct of sucralose that can damage DNA, raising new questions about the safety of artificial ...

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

Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

The research, published today in Current Biology, showed that ultramarathoners can burn an astounding 11,000 calories per day ...

Aging seems to occur in a linear fashion throughout the human lifespan, from childhood to the "golden years," but a new study has revealed one specific turning point when aging starts to accelerate in ...

A study of 33 participants on stationary bikes found that during exercise, people perceive time as moving slower, estimating 30 seconds 8-9% faster than real time. The presence of a competitor or ...

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

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

Eating a fibre supplement derived from oats before each meal could flush out toxic forever chemicals from the body, a new study suggests. Per and polyfluoroalkyl substances, or PFAS, commonly known as ...