Elite athletes have achieved lifts of up to 1,200 pounds. Here's what's made that possible — and what the limit may be.

But it begs the question: How much does the human skeleton actually weigh? The skeleton, made up of bones and cartilage, ...

Human bodies have a number of other adaptations to walking upright, as well. Our foot is specialized as a weight-bearing platform, with an arch that acts as a shock absorber. Our spines have a ...